Detailed comparison of capabilities, features, and performance.
| Feature | GPT-5 mini | Claude 4.5 Haiku |
|---|---|---|
| AI Lab | OpenAI | Anthropic |
| Context Size | 272,000 tokens | 200,000 tokens |
| Max Output Size | 128,000 tokens | 64,000 tokens |
| Frontier Model | No | No |
| Vision Support | Yes | Yes |
| Description | A faster, more cost-efficient version of GPT-5 for well-defined tasks and precise prompts. | The latest Claude 4.5 Haiku model from Anthropic with a 1M token context window. |
View detailed specifications and capabilities
View model details →View detailed specifications and capabilities
View model details →Access both GPT-5 mini and Claude 4.5 Haiku in a single workspace without managing multiple API keys.
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