Compatibility alias that routes to GPT 5.6 Terra, the latest supported GPT Terra model.
Added Sep 11, 2026
Context Window
1.1M
Max Output
128.0K
Avg output tokens (7d)
253 tokens
Input Price (Auto)
$2.00/1M
Output Price (Auto)
$12.00/1M
Cache Read (Auto)
$0.20/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
30.1
Coding Index
64.7
Agentic Index
30.4
Agentic work
AutomationBench-AA
Workflow automation with guardrail penalties
33.5%
Better than 51% of models compared
AA-Briefcase
Agentic knowledge work (Elo)
1039 Elo
Better than 52% of models compared
GDPval-AA v2
Economically valuable tasks (Elo)
1255 Elo
Better than 66% of models compared
Document reasoning
GDP.pdf
Professional PDF reasoning: all-pass rate
17.0%
Better than 61% of models compared
AA-LCR v1.1
Long context reasoning with updated grading
74.0%
Better than 71% of models compared
MLCR-AA
Medical long-context reasoning
12.2%
Better than 38% of models compared
Reasoning
HLE
Humanity's Last Exam
33.3%
Better than 81% of models compared
IFBench
Instruction-following benchmark
62.2%
Better than 73% of models compared
CritPt
Research-level physics reasoning
17.4%
Coding
Terminal-Bench v4.0
Practical coding and terminal tasks
1.0%
Better than 42% of models compared
SciCode
Python programming for scientific computing
50.5%
Better than 56% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
44.6%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
89.8%
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
87.2%
Better than 83% of models compared
T²-Bench Telecom (legacy)
Conversational AI agents in dual-control scenarios
72.8%
Better than 65% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
74.0%
Better than 71% of models compared
GDPval-AA (unversioned / legacy)
Economically valuable tasks
37.7%
Last updated Oct 1, 2026
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