diff --git a/docs/model-parameters-schema.md b/docs/model-parameters-schema.md
index d3e5048..212c207 100644
--- a/docs/model-parameters-schema.md
+++ b/docs/model-parameters-schema.md
@@ -46,8 +46,8 @@ Conventions:
 
 - `provider`, `authType`, and `model` identify exactly one model route.
 - `provider` is a kebab-case slug.
-- `model` is the provider-native model id without path separators. It may
-  contain dots or colons when the upstream model id does.
+- `model` is the provider-native model id without path separators. Preserve
+  upstream casing; it may contain dots or colons when the upstream model id does.
 - `authType` is `api_key` or `subscription`.
 - `params` is the non-empty list of parameters for that exact route.
 - `path` is the exact provider API request parameter path in dot notation. Use
diff --git a/models/minimax/minimax-m2.7-subscription.yaml b/models/minimax/MiniMax-M2-subscription.yaml
similarity index 97%
rename from models/minimax/minimax-m2.7-subscription.yaml
rename to models/minimax/MiniMax-M2-subscription.yaml
index 9596634..3fe1a0f 100644
--- a/models/minimax/minimax-m2.7-subscription.yaml
+++ b/models/minimax/MiniMax-M2-subscription.yaml
@@ -1,7 +1,7 @@
 # yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json
 provider: minimax
 authType: subscription
-model: minimax-m2.7
+model: MiniMax-M2
 params:
   - path: max_tokens
     type: integer
diff --git a/models/minimax/minimax-m2.7-highspeed-subscription.yaml b/models/minimax/MiniMax-M2.1-highspeed-subscription.yaml
similarity index 96%
rename from models/minimax/minimax-m2.7-highspeed-subscription.yaml
rename to models/minimax/MiniMax-M2.1-highspeed-subscription.yaml
index 6fe7b8d..fb1742f 100644
--- a/models/minimax/minimax-m2.7-highspeed-subscription.yaml
+++ b/models/minimax/MiniMax-M2.1-highspeed-subscription.yaml
@@ -1,7 +1,7 @@
 # yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json
 provider: minimax
 authType: subscription
-model: minimax-m2.7-highspeed
+model: MiniMax-M2.1-highspeed
 params:
   - path: max_tokens
     type: integer
diff --git a/models/minimax/MiniMax-M2.1-subscription.yaml b/models/minimax/MiniMax-M2.1-subscription.yaml
new file mode 100644
index 0000000..6b19a79
--- /dev/null
+++ b/models/minimax/MiniMax-M2.1-subscription.yaml
@@ -0,0 +1,34 @@
+# yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json
+provider: minimax
+authType: subscription
+model: MiniMax-M2.1
+params:
+  - path: max_tokens
+    type: integer
+    label: Max tokens
+    description: Maximum number of tokens to generate in the response.
+    range:
+      min: 1
+    group: generation_length
+  - path: temperature
+    type: number
+    label: Temperature
+    description: >-
+      Controls randomness. Lower values make outputs more focused; higher values make them more
+      varied. Values must be greater than 0 and at most 1.
+    default: 1
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
+  - path: top_p
+    type: number
+    label: Top P
+    description: Controls nucleus sampling by limiting generation to tokens within the selected cumulative probability.
+    default: 0.95
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
diff --git a/models/minimax/MiniMax-M2.5-highspeed-subscription.yaml b/models/minimax/MiniMax-M2.5-highspeed-subscription.yaml
new file mode 100644
index 0000000..81f27b8
--- /dev/null
+++ b/models/minimax/MiniMax-M2.5-highspeed-subscription.yaml
@@ -0,0 +1,34 @@
+# yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json
+provider: minimax
+authType: subscription
+model: MiniMax-M2.5-highspeed
+params:
+  - path: max_tokens
+    type: integer
+    label: Max tokens
+    description: Maximum number of tokens to generate in the response.
+    range:
+      min: 1
+    group: generation_length
+  - path: temperature
+    type: number
+    label: Temperature
+    description: >-
+      Controls randomness. Lower values make outputs more focused; higher values make them more
+      varied. Values must be greater than 0 and at most 1.
+    default: 1
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
+  - path: top_p
+    type: number
+    label: Top P
+    description: Controls nucleus sampling by limiting generation to tokens within the selected cumulative probability.
+    default: 0.95
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
diff --git a/models/minimax/MiniMax-M2.5-subscription.yaml b/models/minimax/MiniMax-M2.5-subscription.yaml
new file mode 100644
index 0000000..812fa03
--- /dev/null
+++ b/models/minimax/MiniMax-M2.5-subscription.yaml
@@ -0,0 +1,34 @@
+# yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json
+provider: minimax
+authType: subscription
+model: MiniMax-M2.5
+params:
+  - path: max_tokens
+    type: integer
+    label: Max tokens
+    description: Maximum number of tokens to generate in the response.
+    range:
+      min: 1
+    group: generation_length
+  - path: temperature
+    type: number
+    label: Temperature
+    description: >-
+      Controls randomness. Lower values make outputs more focused; higher values make them more
+      varied. Values must be greater than 0 and at most 1.
+    default: 1
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
+  - path: top_p
+    type: number
+    label: Top P
+    description: Controls nucleus sampling by limiting generation to tokens within the selected cumulative probability.
+    default: 0.95
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
diff --git a/models/minimax/MiniMax-M2.7-highspeed-subscription.yaml b/models/minimax/MiniMax-M2.7-highspeed-subscription.yaml
new file mode 100644
index 0000000..c1528e8
--- /dev/null
+++ b/models/minimax/MiniMax-M2.7-highspeed-subscription.yaml
@@ -0,0 +1,34 @@
+# yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json
+provider: minimax
+authType: subscription
+model: MiniMax-M2.7-highspeed
+params:
+  - path: max_tokens
+    type: integer
+    label: Max tokens
+    description: Maximum number of tokens to generate in the response.
+    range:
+      min: 1
+    group: generation_length
+  - path: temperature
+    type: number
+    label: Temperature
+    description: >-
+      Controls randomness. Lower values make outputs more focused; higher values make them more
+      varied. Values must be greater than 0 and at most 1.
+    default: 1
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
+  - path: top_p
+    type: number
+    label: Top P
+    description: Controls nucleus sampling by limiting generation to tokens within the selected cumulative probability.
+    default: 0.95
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
diff --git a/models/minimax/MiniMax-M2.7-subscription.yaml b/models/minimax/MiniMax-M2.7-subscription.yaml
new file mode 100644
index 0000000..5ab7341
--- /dev/null
+++ b/models/minimax/MiniMax-M2.7-subscription.yaml
@@ -0,0 +1,34 @@
+# yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json
+provider: minimax
+authType: subscription
+model: MiniMax-M2.7
+params:
+  - path: max_tokens
+    type: integer
+    label: Max tokens
+    description: Maximum number of tokens to generate in the response.
+    range:
+      min: 1
+    group: generation_length
+  - path: temperature
+    type: number
+    label: Temperature
+    description: >-
+      Controls randomness. Lower values make outputs more focused; higher values make them more
+      varied. Values must be greater than 0 and at most 1.
+    default: 1
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
+  - path: top_p
+    type: number
+    label: Top P
+    description: Controls nucleus sampling by limiting generation to tokens within the selected cumulative probability.
+    default: 0.95
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
diff --git a/models/z-ai/glm-4.5-air-subscription.yaml b/models/z-ai/glm-4.5-air-subscription.yaml
index 39f70c5..12d6261 100644
--- a/models/z-ai/glm-4.5-air-subscription.yaml
+++ b/models/z-ai/glm-4.5-air-subscription.yaml
@@ -20,6 +20,9 @@ params:
       max: 1
       step: 0.1
     group: sampling
+    applicability:
+      except:
+        do_sample: false
   - path: top_p
     type: number
     label: Top P
@@ -30,6 +33,15 @@ params:
       max: 1
       step: 0.01
     group: sampling
+    applicability:
+      except:
+        do_sample: false
+  - path: do_sample
+    type: boolean
+    label: Do sample
+    description: When false, the model uses greedy decoding and ignores temperature and top_p.
+    default: true
+    group: sampling
   - path: thinking.type
     type: enum
     label: Thinking mode
@@ -39,3 +51,12 @@ params:
       - enabled
       - disabled
     group: reasoning
+  - path: response_format.type
+    type: enum
+    label: Response format
+    description: Forces the response into plain text or a JSON object.
+    default: text
+    values:
+      - text
+      - json_object
+    group: output_format
diff --git a/models/z-ai/glm-4.5-subscription.yaml b/models/z-ai/glm-4.5-subscription.yaml
new file mode 100644
index 0000000..88ccb86
--- /dev/null
+++ b/models/z-ai/glm-4.5-subscription.yaml
@@ -0,0 +1,62 @@
+# yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json
+provider: z-ai
+authType: subscription
+model: glm-4.5
+params:
+  - path: max_tokens
+    type: integer
+    label: Max tokens
+    description: Maximum number of tokens to generate in the response.
+    range:
+      min: 1
+    group: generation_length
+  - path: temperature
+    type: number
+    label: Temperature
+    description: Controls randomness. Lower values make outputs more focused; higher values make them more varied.
+    default: 0.6
+    range:
+      min: 0
+      max: 1
+      step: 0.1
+    group: sampling
+    applicability:
+      except:
+        do_sample: false
+  - path: top_p
+    type: number
+    label: Top P
+    description: Controls nucleus sampling by limiting generation to tokens within the selected cumulative probability.
+    default: 0.95
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
+    applicability:
+      except:
+        do_sample: false
+  - path: do_sample
+    type: boolean
+    label: Do sample
+    description: When false, the model uses greedy decoding and ignores temperature and top_p.
+    default: true
+    group: sampling
+  - path: thinking.type
+    type: enum
+    label: Thinking mode
+    description: Toggles the model's extended reasoning before it produces the final answer.
+    default: enabled
+    values:
+      - enabled
+      - disabled
+    group: reasoning
+  - path: response_format.type
+    type: enum
+    label: Response format
+    description: Forces the response into plain text or a JSON object.
+    default: text
+    values:
+      - text
+      - json_object
+    group: output_format
diff --git a/models/z-ai/glm-4.6-subscription.yaml b/models/z-ai/glm-4.6-subscription.yaml
new file mode 100644
index 0000000..e243956
--- /dev/null
+++ b/models/z-ai/glm-4.6-subscription.yaml
@@ -0,0 +1,62 @@
+# yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json
+provider: z-ai
+authType: subscription
+model: glm-4.6
+params:
+  - path: max_tokens
+    type: integer
+    label: Max tokens
+    description: Maximum number of tokens to generate in the response.
+    range:
+      min: 1
+    group: generation_length
+  - path: temperature
+    type: number
+    label: Temperature
+    description: Controls randomness. Lower values make outputs more focused; higher values make them more varied.
+    default: 1
+    range:
+      min: 0
+      max: 1
+      step: 0.1
+    group: sampling
+    applicability:
+      except:
+        do_sample: false
+  - path: top_p
+    type: number
+    label: Top P
+    description: Controls nucleus sampling by limiting generation to tokens within the selected cumulative probability.
+    default: 0.95
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
+    applicability:
+      except:
+        do_sample: false
+  - path: do_sample
+    type: boolean
+    label: Do sample
+    description: When false, the model uses greedy decoding and ignores temperature and top_p.
+    default: true
+    group: sampling
+  - path: thinking.type
+    type: enum
+    label: Thinking mode
+    description: Toggles the model's extended reasoning before it produces the final answer.
+    default: enabled
+    values:
+      - enabled
+      - disabled
+    group: reasoning
+  - path: response_format.type
+    type: enum
+    label: Response format
+    description: Forces the response into plain text or a JSON object.
+    default: text
+    values:
+      - text
+      - json_object
+    group: output_format
diff --git a/models/z-ai/glm-4.7-subscription.yaml b/models/z-ai/glm-4.7-subscription.yaml
index eb5280f..6ea2795 100644
--- a/models/z-ai/glm-4.7-subscription.yaml
+++ b/models/z-ai/glm-4.7-subscription.yaml
@@ -20,6 +20,9 @@ params:
       max: 1
       step: 0.1
     group: sampling
+    applicability:
+      except:
+        do_sample: false
   - path: top_p
     type: number
     label: Top P
@@ -30,6 +33,15 @@ params:
       max: 1
       step: 0.01
     group: sampling
+    applicability:
+      except:
+        do_sample: false
+  - path: do_sample
+    type: boolean
+    label: Do sample
+    description: When false, the model uses greedy decoding and ignores temperature and top_p.
+    default: true
+    group: sampling
   - path: thinking.type
     type: enum
     label: Thinking mode
@@ -39,3 +51,12 @@ params:
       - enabled
       - disabled
     group: reasoning
+  - path: response_format.type
+    type: enum
+    label: Response format
+    description: Forces the response into plain text or a JSON object.
+    default: text
+    values:
+      - text
+      - json_object
+    group: output_format
diff --git a/models/z-ai/glm-5-subscription.yaml b/models/z-ai/glm-5-subscription.yaml
new file mode 100644
index 0000000..c4614c7
--- /dev/null
+++ b/models/z-ai/glm-5-subscription.yaml
@@ -0,0 +1,62 @@
+# yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json
+provider: z-ai
+authType: subscription
+model: glm-5
+params:
+  - path: max_tokens
+    type: integer
+    label: Max tokens
+    description: Maximum number of tokens to generate in the response.
+    range:
+      min: 1
+    group: generation_length
+  - path: temperature
+    type: number
+    label: Temperature
+    description: Controls randomness. Lower values make outputs more focused; higher values make them more varied.
+    default: 1
+    range:
+      min: 0
+      max: 1
+      step: 0.1
+    group: sampling
+    applicability:
+      except:
+        do_sample: false
+  - path: top_p
+    type: number
+    label: Top P
+    description: Controls nucleus sampling by limiting generation to tokens within the selected cumulative probability.
+    default: 0.95
+    range:
+      min: 0.01
+      max: 1
+      step: 0.01
+    group: sampling
+    applicability:
+      except:
+        do_sample: false
+  - path: do_sample
+    type: boolean
+    label: Do sample
+    description: When false, the model uses greedy decoding and ignores temperature and top_p.
+    default: true
+    group: sampling
+  - path: thinking.type
+    type: enum
+    label: Thinking mode
+    description: Toggles the model's extended reasoning before it produces the final answer.
+    default: enabled
+    values:
+      - enabled
+      - disabled
+    group: reasoning
+  - path: response_format.type
+    type: enum
+    label: Response format
+    description: Forces the response into plain text or a JSON object.
+    default: text
+    values:
+      - text
+      - json_object
+    group: output_format
diff --git a/models/z-ai/glm-5-turbo-subscription.yaml b/models/z-ai/glm-5-turbo-subscription.yaml
index 7b02ec6..befa470 100644
--- a/models/z-ai/glm-5-turbo-subscription.yaml
+++ b/models/z-ai/glm-5-turbo-subscription.yaml
@@ -20,6 +20,9 @@ params:
       max: 1
       step: 0.1
     group: sampling
+    applicability:
+      except:
+        do_sample: false
   - path: top_p
     type: number
     label: Top P
@@ -30,6 +33,15 @@ params:
       max: 1
       step: 0.01
     group: sampling
+    applicability:
+      except:
+        do_sample: false
+  - path: do_sample
+    type: boolean
+    label: Do sample
+    description: When false, the model uses greedy decoding and ignores temperature and top_p.
+    default: true
+    group: sampling
   - path: thinking.type
     type: enum
     label: Thinking mode
@@ -39,3 +51,12 @@ params:
       - enabled
       - disabled
     group: reasoning
+  - path: response_format.type
+    type: enum
+    label: Response format
+    description: Forces the response into plain text or a JSON object.
+    default: text
+    values:
+      - text
+      - json_object
+    group: output_format
diff --git a/models/z-ai/glm-5.1-subscription.yaml b/models/z-ai/glm-5.1-subscription.yaml
index cf6b8d5..c59e1de 100644
--- a/models/z-ai/glm-5.1-subscription.yaml
+++ b/models/z-ai/glm-5.1-subscription.yaml
@@ -20,6 +20,9 @@ params:
       max: 1
       step: 0.1
     group: sampling
+    applicability:
+      except:
+        do_sample: false
   - path: top_p
     type: number
     label: Top P
@@ -30,6 +33,15 @@ params:
       max: 1
       step: 0.01
     group: sampling
+    applicability:
+      except:
+        do_sample: false
+  - path: do_sample
+    type: boolean
+    label: Do sample
+    description: When false, the model uses greedy decoding and ignores temperature and top_p.
+    default: true
+    group: sampling
   - path: thinking.type
     type: enum
     label: Thinking mode
@@ -39,3 +51,12 @@ params:
       - enabled
       - disabled
     group: reasoning
+  - path: response_format.type
+    type: enum
+    label: Response format
+    description: Forces the response into plain text or a JSON object.
+    default: text
+    values:
+      - text
+      - json_object
+    group: output_format
diff --git a/src/schema/model.ts b/src/schema/model.ts
index 731d363..31030cf 100644
--- a/src/schema/model.ts
+++ b/src/schema/model.ts
@@ -18,7 +18,7 @@ export const ParameterGroup = z.enum([
 export type ParameterGroup = z.infer<typeof ParameterGroup>;
 
 const PROVIDER_SLUG = /^[a-z0-9][a-z0-9-]*$/;
-const MODEL_ID = /^[a-z0-9][a-z0-9._:-]*$/;
+const MODEL_ID = /^[A-Za-z0-9][A-Za-z0-9._:-]*$/;
 const PARAM_PATH = /^[A-Za-z][A-Za-z0-9_]*(\.[A-Za-z][A-Za-z0-9_]*)*$/;
 const BLOCKED_PARAM_PATHS = new Set(["stream"]);
 
diff --git a/tests/catalog.test.ts b/tests/catalog.test.ts
index 29b9474..fcdfae3 100644
--- a/tests/catalog.test.ts
+++ b/tests/catalog.test.ts
@@ -2,6 +2,8 @@ import { describe, it, expect } from "vitest";
 import { buildCapabilityFacets, buildCatalog, uniqueProviders } from "../src/data/catalog.js";
 import { describeApplicability } from "../src/data/applicability.js";
 import { modelLabel, providerLabel } from "../src/data/display.js";
+import { loadAllModels } from "../src/data/load.js";
+import { modelId } from "../src/schema/model.js";
 import type { Model } from "../src/schema/model.js";
 
 function makeModel(overrides: Partial<Model> = {}): Model {
@@ -113,3 +115,30 @@ describe("describeApplicability", () => {
     expect(out.except[0]).toBe("temperature ≠ 1");
   });
 });
+
+describe("provider catalog rows", () => {
+  it("keeps Z.ai Coding Plan params aligned with the API-key rows", async () => {
+    const { models, issues } = await loadAllModels();
+    expect(issues).toEqual([]);
+
+    const byId = new Map(models.map((model) => [modelId(model), model]));
+    const sharedModels = [
+      "glm-5.1",
+      "glm-5-turbo",
+      "glm-5",
+      "glm-4.7",
+      "glm-4.6",
+      "glm-4.5",
+      "glm-4.5-air",
+    ];
+
+    for (const model of sharedModels) {
+      const apiKey = byId.get(`z-ai/${model}`);
+      const subscription = byId.get(`z-ai/${model}-subscription`);
+
+      expect(subscription?.params.map((param) => param.path)).toEqual(
+        apiKey?.params.map((param) => param.path),
+      );
+    }
+  });
+});
diff --git a/tests/schema.test.ts b/tests/schema.test.ts
index 54947c9..a6d43a2 100644
--- a/tests/schema.test.ts
+++ b/tests/schema.test.ts
@@ -43,6 +43,11 @@ describe("Model schema", () => {
     expect(result.success).toBe(true);
   });
 
+  it("accepts provider-native model ids with uppercase characters", () => {
+    const result = Model.safeParse({ ...VALID_MODEL, provider: "minimax", model: "MiniMax-M2.7" });
+    expect(result.success).toBe(true);
+  });
+
   it("rejects path separators in model ids", () => {
     const result = Model.safeParse({
       ...VALID_MODEL,