GPT-6 Astra as a coding agent in your terminal
GPT-6 Astra by OpenAI, one of 250+ models you can use in Darce, the open source AI coding agent you can undo.
| Model | GPT-6 Astra |
|---|---|
| Vendor | OpenAI |
| Model id | openai/gpt-6-astra |
| Context window | 1.05M tokens |
| Price per 1M tokens | $10.00 input · $50.00 output (OpenRouter) |
| Can do | tool calling · reads images · reasoning |
| Category | Reasoning |
Strengths
A premium-priced GPT-6 model for demanding tasks. Pair it with a cheaper model and shift up only when needed.
OpenRouter's description:
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...
Use GPT-6 Astra as a coding agent in your terminal
Start Darce in your project with GPT-6 Astra:
npm install -g darce-cli
darce --model openai/gpt-6-astraAlready in a session? Type /model openai/gpt-6-astra, or open the picker with Ctrl+P. Darce then reads your code, edits files and runs commands with GPT-6 Astra; risky commands ask first, and /undo reverses any change, including what shell commands did. No account yet? npx darce-cli lets you try it free. Which plan includes which models is on the pricing page.
Make it your default or a gear
In ~/.darcerc, set it as the starting model or add it to the gears you move between with Shift+↑ / Shift+↓ (see configuration):
{
"router": { "default": "openai/gpt-6-astra" },
"gears": ["qwen/qwen3-coder", "openai/gpt-6-astra"]
}Compare it on your own code
Benchmarks rarely match your repository. Race GPT-6 Astra against two other models on a real task and keep the best diff:
/derby --models openai/gpt-6-astra,openai/gpt-6.1-sol,openai/gpt-6-sol fix the failing testRead more about /derby and /swarm.
Related models
- GPT-6.1 Sol (OpenAI): 1.05M tokens, $2.00 / $10.00 per 1M tokens
- GPT-6 Sol (OpenAI): 1.05M tokens, $2.00 / $10.00 per 1M tokens
- GPT-6 Luna (OpenAI): 1.05M tokens, $0.10 / $0.50 per 1M tokens
- GPT-5.6 Sol (OpenAI): 1.05M tokens, $2.00 / $10.00 per 1M tokens
- Claude Opus 5.5 (Anthropic): 1M tokens, $4.00 / $20.00 per 1M tokens
- Claude Fable 5.1 (Anthropic): 1M tokens, $10.00 / $50.00 per 1M tokens
- Claude Opus 5 (Anthropic): 1M tokens, $5.00 / $25.00 per 1M tokens
- Qwen3.8 Max (0902) (Qwen (Alibaba)): 1M tokens, $2.00 / $6.00 per 1M tokens
All models · Getting started · Claude Code alternative
Model data from OpenRouter, refreshed daily. Prices are OpenRouter's list rates and show relative cost; your Darce allowance is used in proportion to them.