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Migrate zai provider from Anthropic to OpenAI-compatible API

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- Migrate glm-4.5, glm-4.5-air, glm-4.5-flash, glm-4.6, glm-4.7 from anthropic-messages to openai-completions API
- Updated baseUrl from https://api.z.ai/api/anthropic to https://api.z.ai/api/coding/paas/v4
- Added compat setting to disable developer role for zai models
- Filter empty text blocks in openai-completions to avoid zai API validation errors
- Fixed zai provider tests to use OpenAI-style options (reasoningEffort)
This commit is contained in:
Anton Kuzmenko 2025-12-29 11:54:10 -08:00
parent 65fb9116fb
commit 0250b7ac03
4 changed files with 34 additions and 29 deletions
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35
packages/ai/src/models.generated.ts
View file

@ -6978,9 +6978,10 @@ export const MODELS = {
"glm-4.5": {
id: "glm-4.5",
name: "GLM-4.5",
api: "anthropic-messages",
api: "openai-completions",
provider: "zai",
baseUrl: "https://api.z.ai/api/anthropic",
baseUrl: "https://api.z.ai/api/coding/paas/v4",
compat: {"supportsDeveloperRole":false},
reasoning: true,
input: ["text"],
cost: {
@ -6991,13 +6992,14 @@ export const MODELS = {
},
contextWindow: 131072,
maxTokens: 98304,
} satisfies Model<"anthropic-messages">,
} satisfies Model<"openai-completions">,
"glm-4.5-air": {
id: "glm-4.5-air",
name: "GLM-4.5-Air",
api: "anthropic-messages",
api: "openai-completions",
provider: "zai",
baseUrl: "https://api.z.ai/api/anthropic",
baseUrl: "https://api.z.ai/api/coding/paas/v4",
compat: {"supportsDeveloperRole":false},
reasoning: true,
input: ["text"],
cost: {
@ -7008,13 +7010,14 @@ export const MODELS = {
},
contextWindow: 131072,
maxTokens: 98304,
} satisfies Model<"anthropic-messages">,
} satisfies Model<"openai-completions">,
"glm-4.5-flash": {
id: "glm-4.5-flash",
name: "GLM-4.5-Flash",
api: "anthropic-messages",
api: "openai-completions",
provider: "zai",
baseUrl: "https://api.z.ai/api/anthropic",
baseUrl: "https://api.z.ai/api/coding/paas/v4",
compat: {"supportsDeveloperRole":false},
reasoning: true,
input: ["text"],
cost: {
@ -7025,7 +7028,7 @@ export const MODELS = {
},
contextWindow: 131072,
maxTokens: 98304,
} satisfies Model<"anthropic-messages">,
} satisfies Model<"openai-completions">,
"glm-4.5v": {
id: "glm-4.5v",
name: "GLM-4.5V",
@ -7047,9 +7050,10 @@ export const MODELS = {
"glm-4.6": {
id: "glm-4.6",
name: "GLM-4.6",
api: "anthropic-messages",
api: "openai-completions",
provider: "zai",
baseUrl: "https://api.z.ai/api/anthropic",
baseUrl: "https://api.z.ai/api/coding/paas/v4",
compat: {"supportsDeveloperRole":false},
reasoning: true,
input: ["text"],
cost: {
@ -7060,7 +7064,7 @@ export const MODELS = {
},
contextWindow: 204800,
maxTokens: 131072,
} satisfies Model<"anthropic-messages">,
} satisfies Model<"openai-completions">,
"glm-4.6v": {
id: "glm-4.6v",
name: "GLM-4.6V",
@ -7082,9 +7086,10 @@ export const MODELS = {
"glm-4.7": {
id: "glm-4.7",
name: "GLM-4.7",
api: "anthropic-messages",
api: "openai-completions",
provider: "zai",
baseUrl: "https://api.z.ai/api/anthropic",
baseUrl: "https://api.z.ai/api/coding/paas/v4",
compat: {"supportsDeveloperRole":false},
reasoning: true,
input: ["text"],
cost: {
@ -7095,6 +7100,6 @@ export const MODELS = {
},
contextWindow: 204800,
maxTokens: 131072,
} satisfies Model<"anthropic-messages">,
} satisfies Model<"openai-completions">,
},
} as const;

8
packages/ai/src/providers/openai-completions.ts
View file

@ -460,13 +460,15 @@ function convertMessages(
};
const textBlocks = msg.content.filter((b) => b.type === "text") as TextContent[];
if (textBlocks.length > 0) {
// Filter out empty text blocks to avoid API validation errors
const nonEmptyTextBlocks = textBlocks.filter((b) => b.text && b.text.trim().length > 0);
if (nonEmptyTextBlocks.length > 0) {
// GitHub Copilot requires assistant content as a string, not an array.
// Sending as array causes Claude models to re-answer all previous prompts.
if (model.provider === "github-copilot") {
assistantMsg.content = textBlocks.map((b) => sanitizeSurrogates(b.text)).join("");
assistantMsg.content = nonEmptyTextBlocks.map((b) => sanitizeSurrogates(b.text)).join("");
} else {
assistantMsg.content = textBlocks.map((b) => {
assistantMsg.content = nonEmptyTextBlocks.map((b) => {
return { type: "text", text: sanitizeSurrogates(b.text) };
});
}