A lightweight version of GPT-5 for cost-sensitive applications. Balances advanced capabilities with efficient resource usage.
Added Aug 7, 2025
Context Window
400.0K
Max Output
128.0K
Avg output tokens (7d)
964 tokens
Input Price (Auto)
$0.25/1M
Output Price (Auto)
$2.00/1M
Cache Read (Auto)
$0.025/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
18.4
Coding Index
15.6
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
82.8%
Better than 72% of models compared
HLE
Humanity's Last Exam
21.5%
Better than 74% of models compared
IFBench
Instruction-following benchmark
75.4%
Better than 93% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
68.4%
Better than 61% of models compared
AA-LCR
Long context reasoning evaluation
72.3%
Better than 72% of models compared
Coding
Terminal-Bench Hard
Agentic coding and terminal use
33.3%
Better than 77% of models compared
LiveCodeBench
Contamination-free coding benchmark
83.8%
Better than 95% of models compared
Math
AIME 2025
American Invitational Mathematics Examination 2025
90.7%
Better than 91% of models compared
Knowledge
MMLU-Pro
Professional and academic subject knowledge
83.7%
Better than 86% of models compared
Last updated Sep 7, 2026
Artificial AnalysisProviders
Auto routing is available for this model. Explicit provider selection is not available.
Loading provider options…
Related text models
Compare GPT 5 Mini with similar models from the same provider or model family.
GPT 5.4 Mini
openai/gpt-5.4-miniGPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.
GPT 5.1 Codex Mini
openai/gpt-5.1-codex-miniLightweight GPT-5.1 Codex path.
GPT 4.1 Mini
openai/gpt-4.1-miniMid-sized GPT 4.1, comparable to GPT4o with a far higher context window, at lower cost and with higher speed.
GPT-4o mini
openai/gpt-4o-miniOpenAI's most cost-efficient small model. Cheaper and smarter than GPT-3.5 (the original ChatGPT), but less performant than gpt-4o.
GPT 6 Astra Pro
openai/gpt-6-astra-proGPT 6 Astra in Pro reasoning mode. Uses additional model work for difficult tasks, with higher latency and token usage at the same per-token rates. Reasoning effort remains independently configurable.
GPT 6 Astra
openai/gpt-6-astraOpenAI's most capable model for the hardest end-to-end work, with state-of-the-art performance in computer use, browsing, software engineering, science, and professional tasks. Astra is designed to carry long, multistep workflows across code, browsers, and professional software through to a finished result.