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Add Haiku 4.5 computer use support #1137

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Merged
merged 2 commits into from
Oct 16, 2025
Merged

Add Haiku 4.5 computer use support #1137

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f9ce671
Add Haiku 4.5 computer use support
miguelg719 Oct 15, 2025
52daea0
update tests
miguelg719 Oct 16, 2025
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5 changes: 5 additions & 0 deletions .changeset/gentle-beds-enjoy.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@browserbasehq/stagehand": patch
---

Add haiku 4.5 computer use support
21 changes: 12 additions & 9 deletions evals/deterministic/tests/Errors/apiKeyError.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -24,9 +24,10 @@ test.describe("API key/LLMClient error", () => {
}

expect(errorThrown).toBeInstanceOf(Error);
expect(errorThrown?.message).toContain(
"No LLM API key or LLM Client configured",
);
expect(
errorThrown?.message?.includes("No LLM API key or LLM Client configured") ||
errorThrown?.message?.includes("API key is missing. Pass it using the 'apiKey' parameter")
).toBe(true);

await stagehand.close();
});
Expand All @@ -47,9 +48,10 @@ test.describe("API key/LLMClient error", () => {
}

expect(errorThrown).toBeInstanceOf(Error);
expect(errorThrown?.message).toContain(
"No LLM API key or LLM Client configured",
);
expect(
errorThrown?.message?.includes("No LLM API key or LLM Client configured") ||
errorThrown?.message?.includes("API key is missing. Pass it using the 'apiKey' parameter")
).toBe(true);

await stagehand.close();
});
Expand All @@ -68,9 +70,10 @@ test.describe("API key/LLMClient error", () => {
}

expect(errorThrown).toBeInstanceOf(Error);
expect(errorThrown?.message).toContain(
"No LLM API key or LLM Client configured",
);
expect(
errorThrown?.message?.includes("No LLM API key or LLM Client configured") ||
errorThrown?.message?.includes("API key is missing. Pass it using the 'apiKey' parameter")
).toBe(true);

await stagehand.close();
});
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1 change: 1 addition & 0 deletions lib/agent/AgentProvider.ts
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Expand Up @@ -15,6 +15,7 @@ export const modelToAgentProviderMap: Record<string, AgentType> = {
"computer-use-preview": "openai",
"computer-use-preview-2025-03-11": "openai",
"claude-3-7-sonnet-latest": "anthropic",
"claude-haiku-4-5-20251001": "anthropic",
"claude-sonnet-4-20250514": "anthropic",
"claude-sonnet-4-5-20250929": "anthropic",
"gemini-2.5-computer-use-preview-10-2025": "google",
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2 changes: 1 addition & 1 deletion stagehand.config.ts
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Expand Up @@ -7,7 +7,7 @@ const StagehandConfig: ConstructorParams = {
domSettleTimeoutMs: 30_000 /* Timeout for DOM to settle in milliseconds */,

// LLM configuration
modelName: "gpt-4o" /* Name of the model to use */,
modelName: "openai/gpt-4.1-mini" /* Name of the model to use */,
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logic: unrelated change - reverting default model from gpt-4o to openai/gpt-4.1-mini shouldn't be part of this PR

Suggested change
modelName: "openai/gpt-4.1-mini" /* Name of the model to use */,
modelName: "gpt-4o" /* Name of the model to use */,
Prompt To Fix With AI 
This is a comment left during a code review.
Path: stagehand.config.ts
Line: 10:10

Comment:
**logic:** unrelated change - reverting default model from `gpt-4o` to `openai/gpt-4.1-mini` shouldn't be part of this PR

```suggestion
  modelName: "gpt-4o" /* Name of the model to use */,
```

How can I resolve this? If you propose a fix, please make it concise.

modelClientOptions: {
apiKey: process.env.OPENAI_API_KEY,
} /* Configuration options for the model client */,
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