GPT Chat Latest
Compatibility chat alias that routes to GPT 5.6 Sol, the flagship GPT-5.6 tier for complex reasoning, coding, and agentic workflows.
- Reasoning
- Vision
- Native PDF input
- Tool Calling
- Structured Output
Added May 3, 2026
Pricing
Auto routing · per 1M tokens- Input
- $2.00
- Output
- $10.00
- Cache read
- $0.20
Specifications
- Context window
- 1.1M
- Max output
- 128K
- Avg output (7d)
- 682 tokens
- Longer than 54% of models
Benchmarks
Benchmarks
Sourced from Artificial Analysis.
Intelligence Index
47.0
Coding Index
77.4
Agentic Index
50.2
Agentic work
AutomationBench-AA
Workflow automation with guardrail penalties
60.1%
Better than 85% of models compared
Harvey LAB-AA
Legal agentic work criterion pass rate
87.2%
Better than 47% of models compared
AA-Briefcase
Agentic knowledge work (Elo)
1478 Elo
Better than 83% of models compared
GDPval-AA v2
Economically valuable tasks (Elo)
1611 Elo
Better than 90% of models compared
Document reasoning
GDP.pdf
Professional PDF reasoning: all-pass rate
27.2%
Better than 93% of models compared
AA-LCR v1.1
Long context reasoning with updated grading
84.0%
Better than 98% of models compared
MLCR-AA
Medical long-context reasoning
26.1%
Better than 78% of models compared
Reasoning
HLE
Humanity's Last Exam
49.5%
Better than 96% of models compared
IFBench
Instruction-following benchmark
72.7%
Better than 90% of models compared
Coding
Terminal-Bench v4.0
Practical coding and terminal tasks
39.9%
Better than 86% of models compared
SciCode
Python programming for scientific computing
57.1%
Better than 87% of models compared
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
94.1%
Better than 99% of models compared
Terminal-Bench Hard (legacy)
Agentic coding and terminal use
65.9%
Better than 99% of models compared
T²-Bench Telecom (legacy)
Conversational AI agents in dual-control scenarios
85.1%
Better than 77% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
84.0%
Better than 98% of models compared
Last updated Oct 3, 2026
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