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...
GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| OpenAI: GPT-6 Astraopenai/gpt-6-astra | OpenAI |
61.0 | 1.05M | $10 | $50 | 2026-09-04 | ||
| OpenAI: GPT-5.6 Solopenai/gpt-5.6-sol | OpenAI |
58.9 | 1.05M | $2 | $10 | 2026-07-09 | ||
| OpenAI: GPT-5.6 Terraopenai/gpt-5.6-terra | OpenAI |
55.0 | 1.05M | $2 | $12 | 2026-07-09 | ||
| OpenAI: GPT-5.6 Lunaopenai/gpt-5.6-luna | OpenAI |
51.2 | 1.05M | $0.2 | $1.2 | 2026-07-09 |