OpenAI: GPT-5 Mini

OpenAI: GPT-5 Mini

openai · Released Aug 7, 2025 Professional
Intelligence #10 / 576
82.0 Our Score
Speed #151 / 271
83.5 tokens / sec
Input #303 / 577
$0.250 per 1M tokens
Output #387 / 577
$2.00 per 1M tokens
Context #86 / 577
400,000 tokens

Analysis Summary

OpenAI's GPT-5 Mini achieves an intelligence index of 41.2, GPQA of 0.828, and an agentic index of 50.9, with vision, tool use, function calling, and file input across a 400K context window. Instruction following (ifbench 0.754) is the strongest in this batch, and long-context reasoning (lcr 0.680) is excellent. The livecodebench score of 0.838 is also strong.

For businesses, GPT-5 Mini is a highly capable all-rounder suited to content generation, agentic workflows, long-document analysis, and multimodal tasks. The combination of a 400K context window, vision, and strong instruction following makes it particularly valuable for client-facing content and complex automation pipelines.

At $0.25 input and $2 output, it offers strong value relative to its capability tier. For most business workloads that do not require the absolute frontier of reasoning, GPT-5 Mini is the more cost-effective choice over GPT-5, and it should be the default recommendation for teams adopting the GPT-5 family.

Assessed June 6, 2026

Editorial notes

GPT-5 Mini from OpenAI pairs strong reasoning and vision with a 400K context window and competitive pricing, delivering near-flagship capability at a fraction of the cost for most business workloads.

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

Performance Profile

Intelligence6.1Technical6.3Value7.5Content8.2
Intelligence 6.1/10
Technical 6.3/10
Content 8.2/10
Value 7.5/10

How OpenAI: GPT-5 Mini compares

OpenAI: GPT-5 Mini ranks #57 of 378 AI models we track for overall intelligence, #66 of 315 for coding, #80 of 289 for agentic tasks. Its 400K-token context window is larger than 85% of the models we list. At $0.25 per million input tokens it is cheaper than 47% of comparable models.

About OpenAI: GPT-5 Mini

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.

99.9%
Avg Uptime
3,216ms
Best Latency (TTFT)
76 tok/s
Best Throughput
2/3
Active Endpoints
Available via: OpenAI, Azure

Leaderboard Categories

Frequently asked questions about OpenAI: GPT-5 Mini

How much does OpenAI: GPT-5 Mini cost?

OpenAI: GPT-5 Mini costs $0.25 per million input tokens and $2.00 per million output tokens.

What is the context window of OpenAI: GPT-5 Mini?

OpenAI: GPT-5 Mini has a context window of 400,000 tokens (400K).

Is OpenAI: GPT-5 Mini good for coding?

On our coding benchmark index, OpenAI: GPT-5 Mini ranks #66 of 315 models, placing it in the top quartile of the field for code generation and debugging.

What can OpenAI: GPT-5 Mini do?

OpenAI: GPT-5 Mini supports image/vision input, tool use, and function calling.

Who created OpenAI: GPT-5 Mini?

OpenAI: GPT-5 Mini is developed by OpenAI and was released on August 7, 2025.