GPT-6 Astra via the Tokenator API
What the model is for
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 agentic tasks that involve computer and browser use.
Specification
| Full name | GPT-6 Astra |
| API ID | gpt-6-astra |
| Model vendor | OpenAI |
| Type | Text model (chat / completions) |
| Context window | 1M tokens |
| Max output | 128K tokens |
| Image input | yes |
| Tokenator usage multiplier | 1.8× |
| Badge | BEST |
| Input modalities | text, image, file |
| Aliases | cursor-gpt-6-astra |
| Supported API formats | /v1/chat/completions /v1/responses /v1/messages |
| Upstream providers | 2 |
| Current status | available |
| Data updated | 2026-10-19 |
Benchmarks
| Intelligence index | 50.9 |
| Coding index | 77.1 |
| Agentic index | 48.2 |
Artificial Analysis data loaded into the catalog for this model.
Upstream providers
| Provider | Multiplier |
|---|---|
| AiPartners Ltd | 1.8× |
| OpenAI Plus | 1.8× |
A request goes to the first available provider by priority; if it fails, Tokenator switches to the next one.
Example request
curl https://api.tokenator.top/v1/chat/completions \ -H "Authorization: Bearer sk-your-tokenator-key" \ -H "Content-Type: application/json" \ -d '{ "model": "gpt-6-astra", "messages": [{"role": "user", "content": "Hello"}] }'
Compatible tools
The model can be used in any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code, Cherry Studio, DeepSeek Harness, Hermes, Pi, OpenClaw.
See also
FAQ about GPT-6 Astra
What is the API ID of GPT-6 Astra?
gpt-6-astra — put this into the model field of your request.
What context window does GPT-6 Astra have?
1M tokens; max output is 128K tokens.
How many tokens will a request cost?
(input + output) × 1.8×. See the documentation for details.
Which tools support this model?
Any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code. Setup guides are in the integrations section.