GPT-6 Astra (Max)Ready
gpt-6-astra
Serverless APILLMReasoningVisionPrompt cachingClosed
A frontier multimodal model oriented toward deep research and complex tool orchestration. It ranks #5 of the top 20 frontier models on the Artificial Analysis Intelligence Index with a score of 52.7. Released September 3, 2026.
1M
Context
—
Parameters
#5
Intelligence rank · 52.7
Closed
Weights
View full spec
ReleasedSep 3, 2026
Knowledge cutoffApr 30, 2026
Size classlarge
Input modalitiestext, image
Output modalitiestext
Median output speed57 tok/s
Median time to first token269.3s
Usage guide
1. Choose how you'd like to use GPT-6 Astra (Max)
☁️ Serverless
Use with pay-per-token pricing. Zero setup, no cold starts, automatic failover between upstream routes.
Usage tiers · Standard • Priority
Try it — sign in
curl https://tokenhub.coality.io/v1/chat/completions \
-H "Authorization: Bearer $TOKEN_HUB_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-6-astra",
"messages": [{"role": "user", "content": "Explain vector databases in one paragraph"}]
}'Pricing
| Bucket | Price | Notes |
|---|---|---|
| Input tokens | $12.50 | per 1M tokens |
| Output tokens | $62.50 | per 1M tokens |
| Cache read | $1.25 | cached input · 90% off |
| Cache write | $15.63 | per 1M tokens |
Billed per token with micro-dollar precision · effective Oct 27, 2026 · default key limits 600 req/min · 200K tokens/min
Benchmarks
GPQA Diamond
96.1
Humanity's Last Exam
54.7
MMMU-Pro
86.9
SciCode
56.5
Terminal-Bench 4.0
59.1
Long Context Reasoning
80.7
Frontier Code
47.0
Scores from the Artificial Analysis evaluation suite (0–100 scale).
About this model
Closed model, with a 1M context window, native image input, visible reasoning traces, prompt caching at a 90% discount on cached input, 57 output tokens/s median serving speed and 269.3s to first token.