# GPT-6 Astra — price & specs

Source: https://modelbank.ai/models/gpt-6-astra · updated 2026-11-12 · ModelBank

| Field | Value |
|---|---|
| Vendor | OpenAI |
| Input price | $10 / 1M tokens |
| Output price | $50 / 1M tokens |
| Cached input | $1 / 1M tokens |
| Context window | 1,050,000 tokens |
| Max output | 128,000 tokens |
| Input modalities | file,image,text |
| Reasoning / tool use | yes / yes |
| Intelligence / coding index | 56.9 / 76.9 |
| Released | 2026-09-04 |
| Retirement date | none announced |

## About

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...

## Price history

- 2026-09-24: $10 in / $50 out

## Cheaper alternatives with similar intelligence

- [Gemini 4 Carbon](https://modelbank.ai/models/gemini-4-carbon): $2 / $10, intelligence 60
- [GPT-6.1 Sol](https://modelbank.ai/models/gpt-6.1-sol): $2 / $10, intelligence 54.6
- [Claude Sonnet 5.5](https://modelbank.ai/models/claude-sonnet-5.5): $2 / $10, intelligence 54.5
- [Claude Opus 5.5](https://modelbank.ai/models/claude-opus-5.5): $4 / $20, intelligence 59.1
- [Claude Fable 5.2](https://modelbank.ai/models/claude-fable-5.2): $8 / $40, intelligence 64.6

JSON: https://modelbank.ai/api/v1/models/gpt-6-astra