Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...
Claude model for long-running agentic coding and knowledge work
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...
Top Claude Opus tier for the hardest reasoning, coding, and long-horizon agents
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| OpenAI: GPT-6 Astraopenai/gpt-6-astra | OpenAI |
64.5 | 1.05M | $10 | $50 | 2026-09-04 | ||
| Claude Opus 5.5anthropic/claude-opus-5-5 | Anthropic |
54.4 | 1M | $4 | $20 | 2026-09-22 | ||
| Anthropic: Claude Sonnet 5anthropic/claude-sonnet-5 | Anthropic |
38.8 | 1M | $2 | $10 | 2026-06-30 | ||
| Anthropic: Claude Fable 5anthropic/claude-fable-5 | Anthropic |
29.3 | 1M | $10 | $50 | 2026-06-09 | ||
| Claude Opus 4.8anthropic/claude-opus-4-8 | Anthropic |
13.4 | 1M | $5 | $25 | 2026-05-28 |