GPT-6 Astra
active
OpenAI2026-09-03
Specifications
Modalities
text
image
Context Window1050K tokens
Max Output128K tokens
Training Cutoff2026-04-30
Open SourceNo
Pricing (per 1M tokens)
Input$10.0000
Output$50.0000
Cache Read$1.0000
Benchmarks
Arena score (text)1476
Arena ratings: LMArena leaderboard dataset, CC BY 4.0, snapshot 2026-10-28.
MMLU-Pro-
SWE-Bench-
GPQA Diamond-
HumanEval-
ARC-AGI-
MATH-
API
Model ID
gpt-6-astraSources
- Constellation Research: OpenAI launches GPT-6 Astra
release date · as of 2026-09-03
- OpenAI: GPT-6 Astra
model id, modalities, context window, max output, training cutoff, price cache write · as of 2026-11-02
- OpenAI: Pricing
price input, price output, price cache read · as of 2026-11-02
- OpenAI: Models
is frontier · as of 2026-11-02
- LMArena: Arena leaderboard dataset, text_style_control overall: GPT-6 Astra (Max)
elo rating · as of 2026-10-28