OpenAI's most cost-efficient small model. Cheaper and smarter than GPT-3.5 (the original ChatGPT), but less performant than gpt-4o.
Context Window
128.0K
Max Output
16.4K
Avg output tokens (7d)
27 tokens
Input Price (Auto)
$0.15/1M
Output Price (Auto)
$0.60/1M
Cache Read (Auto)
$0.075/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
6.7
Coding Index
11.4
Agentic work
GDPval-AA v2
Economically valuable tasks (Elo)
-37 Elo
Better than 8% of models compared
Document reasoning
MLCR-AA
Medical long-context reasoning
0.0%
Better than 1% of models compared
Reasoning
HLE
Humanity's Last Exam
4.2%
Better than 16% of models compared
IFBench
Instruction-following benchmark
31.0%
Better than 15% of models compared
Coding
LiveCodeBench
Contamination-free coding benchmark
23.4%
Better than 25% of models compared
Math
AIME 2025
American Invitational Mathematics Examination 2025
14.7%
Better than 19% of models compared
AIME
American Invitational Mathematics Examination
11.7%
Better than 37% of models compared
Math-500
Diverse mathematical problem solving benchmark
78.9%
Better than 44% of models compared
Knowledge
MMLU-Pro
Professional and academic subject knowledge
64.8%
Better than 26% of models compared
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
42.6%
Better than 17% of models compared
GDPval-AA (unversioned / legacy)
Economically valuable tasks
0.0%
Last updated Oct 2, 2026
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