Detailed comparison of capabilities, features, and performance.
| Feature | GPT-5.6 Terra | Claude 4.7 Opus |
|---|---|---|
| AI Lab | OpenAI | Anthropic |
| Context Size | 1,050,000 tokens | 200,000 tokens |
| Max Output Size | 128,000 tokens | 128,000 tokens |
| Frontier Model | Yes | Yes |
| Vision Support | Yes | Yes |
| Description | GPT-5.6 Terra balances intelligence and cost. Features 1.05M context window, 128k output tokens, and reasoning token support. Roughly corresponds to the mini model tier. | The latest Opus 4.7 model from Anthropic — notable improvements in software engineering, instruction following, vision (high-res up to 2576px), and memory. Same $5/$25 per MTok pricing. |
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