OpenAI

o4 Mini — Benchmark Scores, Pricing & Performance Analysis

Chatbot Arena ELO
1350
Output Speed
120 tok/s
Input Cost
$1.1/1M
Output Cost
$4.4/1M
Context Window
200K
Max Output
100K
Knowledge Cutoff
Jun 2024
Accepts
image, text, file

o4 Mini by OpenAI demonstrates strong general intelligence, solid coding performance, outstanding mathematical reasoning. View detailed benchmark data including scores across coding, math, reasoning, speed, and cost metrics.

Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.

General Benchmarks

Chatbot Arena ELO
135031st of 74

Human preference ELO from blind head-to-head votes

LMSYS / HuggingFace
MMLU-Pro
80.0%25th of 66

Massive Multitask Language Understanding professional benchmark

HuggingFace Leaderboard

Coding Benchmarks

Website Arena ELO
99798th of 108

Human preference ELO for building a working web page from a brief

Design Arena (via OpenRouter)
LiveCodeBench
58.0%18th of 66

Live competitive programming benchmark

livecodebench.github.io
HumanEval+
88.0%20th of 66

Code generation correctness with extended tests

Papers
SWE-bench Verified
68.1%19th of 67

Real-world software engineering task resolution

swebench.com
Design Arena ELO
983108th of 120

Human preference ELO for building things — websites, UI, games, charts, SVG

Design Arena (via OpenRouter)

Math Benchmarks

GSM8K
97.5%7th of 66

Grade school math word problems

Papers
MATH
93.0%10th of 66

Competition mathematics problem solving

Papers

Reasoning Benchmarks

ARC-AGI
55.0%6th of 66

Abstraction and Reasoning Corpus for general intelligence

arcprize.org
GPQA Diamond
81.4%56th of 140

Graduate-level science Q&A by domain experts

Papers

Speed Benchmarks

Time to First Token
300 ms24th of 92

Latency before first token arrives

Aggregated
Output Speed
120 tok/s26th of 94

Tokens generated per second

Aggregated

Cost Benchmarks

Output Cost
$4.4301st of 413

Cost per 1M output tokens

OpenRouter API
Input Cost
$1.1302nd of 413

Cost per 1M input tokens

OpenRouter API
Cached Input Cost
$0.28111th of 136

Cost per 1M cached input tokens — the price that actually applies to a long agent conversation

OpenRouter API

Context Benchmarks

Context Length
200K189th of 451

Maximum context window size

OpenRouter API

Multimodal Benchmarks

MathVista
84.3%2nd of 14

Visual mathematical reasoning across diagrams and charts

Papers

Available from 19 providers

The same model costs different amounts depending on who serves it. You can bring your own key for 4 of these — connect it here.

ProviderInput / 1MOutput / 1MCached inContextYour key
Poe$0.99$4$0.25200K—
Abacus$1.1$4.4—200K—
Azure$1.1$4.4$0.275200KSupported
Azure Cognitive Services$1.1$4.4$0.275200K—
Cloudflare AI Gateway$1.1$4.4$0.275200K—
DevPass (LLM Gateway)$1.1$4.4$0.275200K—
Eden AI$1.1$4.4$0.275200K—
Impossibl$1.1$4.4$0.275200K—
Jiekou.AI$1.1$4.4—200K—
Kilo Gateway$1.1$4.4$0.275200K—
LLM Gateway$1.1$4.4$0.275200K—
Merge Gateway$1.1$4.4$0.275200K—
NEAR AI Cloud$1.1$4.4$0.275200K—
OpenAI$1.1$4.4$0.275200KSupported
OpenRouter$1.1$4.4$0.275200KSupported
Vercel AI Gateway$1.1$4.4$0.275200KSupported
Requesty$1.21$4.84$0.3025200K—
AnyAPI———200K—
Model Oracle AI———200K—

o4 Mini — Benchmark Scores Overview

Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).

o4 Mini — Frequently Asked Questions

How intelligent is o4 Mini?

o4 Mini scores 1350 on the Chatbot Arena ELO rating, making it a high-performing AI model. This score is based on blind head-to-head human preference voting.

How much does o4 Mini cost?

o4 Mini costs $1.1 per 1M input tokens and $4.4 per 1M output tokens. This is mid-range pricing for its capability level.

How fast is o4 Mini?

o4 Mini generates output at 120 tokens per second, which is moderate compared to other models. The time to first token is 300 ms.

How good is o4 Mini at coding?

o4 Mini achieves 68.1% on SWE-bench Verified, demonstrating strong real-world software engineering capability. This benchmark tests the model's ability to resolve actual GitHub issues.

How good is o4 Mini at math and reasoning?

o4 Mini scores 93.0% on the MATH benchmark (competition-level mathematics). It also achieves 81.4% on GPQA Diamond, a graduate-level science reasoning benchmark.

What is the context window of o4 Mini?

o4 Mini has a context window of 200K tokens. This determines how much text, conversation history, and code the model can process in a single request.

Who created o4 Mini?

o4 Mini was created by OpenAI. It is classified as a mid model in our catalogue.

Is o4 Mini open source?

No, o4 Mini is a proprietary model. It is available through OpenAI's API and compatible providers.