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GPT-6 Astra

openai/gpt-6-astra
  • OpenAI
  • Family · GPT-6 Astra
  • Released 3 Sep 2026
  • File · Image · Text → Text
  • Reasoning · adjustable
  • Tools · JSON · Vision
Spec & list price
Context1M
Max output128K
Input / 1M$10.00
Output / 1M$50.005× input
Scores · standing
Intelligence56.9#3/489
LiveBench85.6#2/32
Coding77.1#4/196
Usage
Tokens / day39.4B▼ 12% 7d
Usage rank#55
Requests / day630.6K
Tool calls / req0.46
Per request · 30 days
Avg input45.8K3.1× median
Avg output5280.8× median
Cache hit90%1.3× median
Reasoning share43%0.8× median
Tool-call failures0.2%0.1× median

Benchmarks

bar = share of the top score · Benchmark data: Artificial Analysis
GPQA Diamond#1 of 445
96.3%
Terminal-Bench 2.1#2 of 182
89.9%
Intelligence index#3 of 489
56.9
Coding index#4 of 196
77.1
Long-context reasoning#43 of 393
80.7%
Humanity's Last Exam#8 of 465
54.7%
Terminal-Bench 4.0#4 of 152
59.6%
SciCode#25 of 160
56.5%
Speed · median across 7 providers, latest day
Output speed#238/33448 tok/s1.4× slower than median
Fastest provider120 tok/sbest of 7 providers
First token#3023.42 s3.3× longer than median
First answer token#97164 sthinking included

#5 cheapest of 5 with a similar score

Value
Intelligence Index
5254565860$5$10$20GPT-6 Astra
Blended price per 1M tokens (log)
LiveBench suites
Browser91.3
Coding93.7
Data Analysis83.0
Design82.0
Long Agentic77.5
Reasoning92.7
Research85.2

▲ Strongest: Coding, Reasoning. ▼ Weakest: Long Agentic (78).

Technical details

Reasoning
on · medium
Tokenizer
GPT
Moderation
moderated
Reasoning effort
  • max
  • xhigh
  • high
  • medium · default
  • low
Request parameters 11
  • tools
  • tool_choice
  • response_format
  • structured_outputs
  • reasoning
  • reasoning_effort
  • include_reasoning
  • max_tokens
  • max_completion_tokens
  • seed
+1 more
  • verbosity

Same family

GPT-6 Astra

Alternatives

other vendors · similar capability

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