Detailed comparison of capabilities, features, and performance.
| Feature | GPT-4o mini | Claude Fable 5 |
|---|---|---|
| AI Lab | OpenAI | Anthropic |
| Context Size | 128,000 tokens | 1,000,000 tokens |
| Max Output Size | 16,384 tokens | 128,000 tokens |
| Frontier Model | No | Yes |
| Vision Support | Yes | Yes |
| Description | OpenAI's affordable and intelligent small model for fast lightweight tasks | Anthropic's most capable widely released model, with a 1M token context window, 128k max output, and always-on adaptive thinking. |
View detailed specifications and capabilities
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