openai

GPT-6 Astra

gpt-astra

GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.

ReasoningTool CallingAttachmentsStructured Output

Context Window

1.1M

Max Output

128K

Temperature

No

Open Weights

No

Knowledge Cutoff

2026-04-30

Released

2026-09-04

Last Updated

2026-09-04

Modalities

Input:TextImagePDF
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Output:Text

Benchmarks

BenchmarkScoreMetricHarness
Agents' Last Exam59.3-
OSWorld72.6partial score-
ScreenSpot-Pro92.7accuracy-
AutomationBench41.4success rate-
BenchCAD95.9geometric overlap-
BrowseComp91.5accuracy-
Terminal-Bench57.9success rate-
DeepSWE74.1resolve rate-
FrontierCode64.5score-
Terminal-Bench Science64.6success rate-
FrontierMath97.6accuracy-
GPQA Diamond96accuracy-
Humanity's Last Exam57.2accuracy-
ExploitBench100success rate-
SRE-Bench88success rate-
ARC-AGI-399.9RHAEResponses API
Artificial Analysis Intelligence Index61index score-
Artificial Analysis Coding Agent Index67index scoreCodex

Available Providers (11)

ProviderInput /1MOutput /1MCache Read /1MCache Write /1MReasoningStatus
NanoGPTNanoGPTRp 178.801Rp 894.001Rp 17.881Rp 223.501effort—
LLM GatewayLLM GatewayRp 178.801Rp 894.001Rp 17.881Rp 223.501effort—
Kilo GatewayKilo GatewayRp 178.801Rp 894.001Rp 17.881Rp 223.501effort—
OpenRouterOpenRouterRp 178.801Rp 894.001Rp 17.881Rp 223.501effort—
ZenMuxZenMuxRp 178.801Rp 894.001Rp 17.881Rp 223.501effort—
Cloudflare AI GatewayCloudflare AI GatewayRp 178.801Rp 894.001Rp 17.881Rp 214.561effort—
Vercel AI GatewayVercel AI GatewayRp 178.801Rp 894.001Rp 17.881Rp 223.501effort—
OfoxOfoxRp 143.041Rp 715.201Rp 14.305Rp 178.801effort—
Merge GatewayMerge GatewayRp 178.801Rp 894.001Rp 17.881Rp 223.501effort—
Eden AIEden AIRp 178.801Rp 894.001Rp 17.881Rp 223.501effort—
CrossModelCrossModelRp 178.801Rp 894.001Rp 17.881Rp 223.501effort—
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