Compatibility alias that routes to GPT 6 Astra, the newest GPT flagship for complex reasoning, coding, and agentic workflows.
Added Mar 29, 2026
Context Window
1.1M
Max Output
128.0K
Avg output tokens (7d)
652 tokens
Input Price (Auto)
$10.00/1M
Output Price (Auto)
$50.00/1M
Cache Read (Auto)
$1.00/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
49.7
Coding Index
76.7
Agentic Index
51.5
Agentic work
AutomationBench-AA
Workflow automation with guardrail penalties
64.6%
Better than 96% of models compared
AutomationBench-AA Tasks Completed
Fully completed workflows without guardrail violations
33.6%
Better than 80% of models compared
AA-Briefcase
Agentic knowledge work (Elo)
1451 Elo
Better than 86% of models compared
GDPval-AA v2
Economically valuable tasks (Elo)
1501 Elo
Better than 86% of models compared
Document reasoning
GDP.pdf
Professional PDF reasoning: all-pass rate
30.4%
Better than 97% of models compared
AA-LCR v1.1
Long context reasoning with updated grading
79.7%
Better than 88% of models compared
Reasoning
HLE
Humanity's Last Exam
52.7%
Better than 98% of models compared
CritPt
Research-level physics reasoning
31.7%
Coding
Terminal-Bench v4.0
Practical coding and terminal tasks
49.5%
Better than 95% of models compared
SciCode
Python programming for scientific computing
54.2%
Better than 76% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
62.6%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
51.3%
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
93.9%
Better than 98% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
79.7%
Better than 88% of models compared
GDPval-AA (unversioned / legacy)
Economically valuable tasks
54.0%
Last updated Sep 13, 2026
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