GPT-4.1
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and GPT-4.5 across coding (54.6% SWE-bench Verified), instruction compliance (87.4% IFEval), and multimodal understanding benchmarks.
Input
Output
Context
1048K
Max Output
33K
Parameters
—
Technical Specifications
Model TypeChat
Context Window1.0M
Max Output Tokens33K
Parameters—
Training Cutoff—
Licenseproprietary
Capabilities
Input Modalities
imagetextfile
Output Modalities
text
Features
code_generationfunction_callingjson_modereasoningstreamingtext_generationvision
Benchmarks
4.6%
HLE
43.7%
AIME
66.6%
GPQA
38.1%
SciCode
91.3%
MATH 500
80.6%
MMLU Pro
34.7
Math
21.8
Coding
45.7%
LiveCodeBench
26.3
Intelligence
140
Speed (tok/s)
0.580
TTFA (s)
0.580
TTFT (s)
Resources & Links
proprietary — Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: May 5, 2026
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