GPT-6 Astra Benchmarks, Pricing & Rankings
OpenAI · 2026-09-04 · Closed · Current
Snapshot 2026-10-14 · updated weekly
GPT-6 Astra ranks #3 of 42 on the AMR leaderboard.
GPT-6 Astra benchmark scores
| GPQA Diamond | 96% | |
| MMLU-Pro | 90.1% | |
| SWE-Bench Verified | 78.9% | |
| AIME 2025 | 95.8% | |
| LiveCodeBench v6 | 82.8% | |
| Arena Elo | 1474 |
GPT-6 Astra price, speed & context
Input price
$5
per 1M tokens
Output price
$30
per 1M tokens
Speed
128
tok/s
Context
1M
tokens
About GPT-6 Astra
GPT-6 Astra holds the single best GPQA Diamond score of any shipped model (96.0%) and remains the reasoning champion, one aggregate point behind the newer GPT-6.1 Sol.
Models around GPT-6 Astra in the rankings
More OpenAI models
GPT-6 Astra FAQ
Where does GPT-6 Astra rank?
GPT-6 Astra ranks #3 of 42 tracked AI models on the AMR aggregate as of October 2026, with an aggregate score of 95.6. Its strongest dimension is GPQA Diamond at 96%.
How much does GPT-6 Astra cost?
GPT-6 Astra costs $5 per million input tokens and $30 per million output tokens on the standard API. At a typical 1:3 input/output agent workload, that blends to roughly $23.75 per million tokens.
What is the GPT-6 Astra context window?
GPT-6 Astra supports a 1M token context window and generates at a median 128 output tokens per second. That context fits roughly 667 standard documents in a single prompt.
Is GPT-6 Astra open source?
No — GPT-6 Astra is a closed model available only through OpenAI’s official API and authorized cloud partners.
What is better than GPT-6 Astra?
GPT-6.1 Sol ranks one place higher at #2 with an AMR score of 95.9. GPT-6 Astra still wins 1 of the tracked dimensions head-to-head — check the comparison table to see exactly which.