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GPT-6 Astra

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openai/gpt-6-astra · by OpenAI · decoder-only-transformer

Pricing — 1 offering(s)

Input tokens

  • $10.00 / 1M tokens (input) Current 2026-09-24 → present

Output tokens

  • $50.00 / 1M tokens (output) Current 2026-09-24 → present

Cached input tokens

  • $1.00 / 1M tokens (cached input) Current 2026-09-24 → present

Cache writes

  • $12.50 / 1M tokens (cache write) Current 2026-09-24 → present

Batch

Batch input tokens

  • $5.00 / 1M tokens (input) Current 2026-11-03 → present

Batch output tokens

  • $25.00 / 1M tokens (output) Current 2026-11-03 → present

Showing the active price and any recorded history. Full pricing history is available via the paid API — see API docs.

See how GPT-6 Astra fits into a cost-aware routing setup

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Capability profile

How GPT-6 Astra rates across core capability dimensions, with the task-level evidence behind each rating.

context window Strong

1,050,000-token context window, 128,000 max output tokens (developers.openai.com/api/docs/models/gpt-6-astra).

tool use Strong

OpenAI API docs: supports Functions, Web search, File search, Computer use.

cost efficiency Weak

Highest-priced tier in the GPT-6 family ($10/$50 per 1M tokens, Standard, short context).

Ratings are estimated — limited independent data is available for this model.

Benchmark Score Harness Source
terminal-bench-2-1 87.3% 2026-09 terminus-2 📊 leaderboard ↗
terminal-bench-4-0 59.6% 2026-09 mini-swe-agent 📊 leaderboard ↗

Operator guidance

Top of the GPT-6 family. Route here only when the task needs OpenAI's most capable model; GPT-6 Sol is one fifth the price for balanced intelligence/cost, and GPT-6 Luna covers cost-sensitive, high-volume work.

Use cases

Limitations

Citations