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...
Model catalog
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
35 providers
Claude model for long-running agentic coding and knowledge work
35 providers
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...
41 providers
Fast Claude model for responsive assistance, classification, and lightweight agents
33 providers
Fast Claude model for everyday coding, agents, and knowledge work
33 providers
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| OpenAI: GPT-6 Astraopenai/gpt-6-astra | 64.5 | 1.05M | $10 | $50 | 2026-09-04 | |||
| Claude Opus 5.5anthropic/claude-opus-5-5 | 54.4 | 1M | $4 | $20 | 2026-09-22 | |||
| Anthropic: Claude Opus 5anthropic/claude-opus-5 | 53.4 | 1M | $5 | $25 | 2026-07-24 | |||
| Claude Haiku 5.5anthropic/claude-haiku-5-5 | 46.4 | 1M | $0.1 | $0.5 | 2026-10-07 | |||
| Claude Sonnet 5.5anthropic/claude-sonnet-5-5 | 46.2 | 1M | $2 | $10 | 2026-09-28 |