OpenAI: GPT-5 Mini

OpenAI: GPT-5 Mini

openai · Released Aug 7, 2025 Professional
Intelligence #36 / 525
76.3 Our Score
Speed #144 / 244
81.1 tokens / sec
Input #275 / 525
$0.250 per 1M tokens
Output #351 / 525
$2.00 per 1M tokens
Context #59 / 525
400,000 tokens

Analysis Summary

OpenAI: GPT-5 Mini sits in the Professional tier on our leaderboard, ranked #36 of 525 published models on overall intelligence. At $0.250 input and $2.00 output per 1M tokens, it is among the most expensive on the market. It offers a generous context window for extended reasoning and code review and supports tool use, function calling, vision, and reasoning.

Editorial notes

GPT-5 Mini from OpenAI punches well above its price point, delivering near-flagship reasoning and coding performance with a 400K context window and multimodal support at just $0.25/1M input — making it one of the best value propositions in the current market for business use.

Assessed April 23, 2026

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

Performance Profile

Intelligence7.3Technical6.8Value7.5Content7.5
Intelligence 7.3/10
Technical 6.8/10
Content 7.5/10
Value 7.5/10

GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost..

Capabilities

Tool Use Function Calling Vision

Performance Indices

Source: Artificial Analysis

41.2 Intelligence Index
35.3 Coding Index
50.9 Agentic Index
90.7 Math Index

Benchmark Scores

Intelligence

GPQA Diamond 82.8% Graduate-level scientific reasoning
HLE 19.7% Humanity's Last Exam
MMLU Pro 83.7% Multi-task language understanding
AIME 2025 90.7% Competition mathematics (2025)
SciCode 39.2% Scientific computing

Technical

LiveCodeBench 83.8% Live coding evaluation
TerminalBench Hard 33.3% Agentic terminal tasks
τ²-Bench 68.4% Conversational agent benchmark

Content

IFBench 75.4% Instruction following
LCR 68% Long-context reasoning

Benchmark data from Artificial Analysis and Hugging Face

How does OpenAI: GPT-5 Mini stack up?

Compare side-by-side with other professional models.

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Model Information

OpenRouter ID openai/gpt-5-mini
Provideropenai
Release Date August 7, 2025
Context Length400,000 tokens
Max Completion128,000 tokens
Status Active

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $0.25 $0.000250
Output $2.00 $0.002000

Live Performance

Live endpoint metrics — refreshed every 30 minutes.

99.3%
Avg Uptime
4,745ms
Best Latency (TTFT)
65 tok/s
Best Throughput
2/2
Active Endpoints
Available via: OpenAI, Azure