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o4-mini

Fast o-series model for compact reasoning, coding, and tool use

Source-linked o-mini Closed weights Released 2025-04-16
API data Report
Input modalitiesT
Output modalitiesT
Input price$1.1/1M tokens
Output price$4.4/1M tokens
Context window200K
Max output100K
Overview

Capabilities and specifications

✓ Reasoning Yes
✓ Tool calling Yes
✓ Structured output Yes
✓ Attachments Yes
✓ Vision input Yes
× Open weights No
Creator
OpenAI
Model family
o-mini
Knowledge cutoff
2024-05
License
Not documented
Release date
2025-04-16
Model ID
openai/o4-mini
Inference availability

Provider pricing and availability

Provider-specific identifiers, limits, and prices per million tokens.

Report a price
Providers offering o4-mini
ProviderProvider model IDContextInputOutputCache readCapabilitiesSource
AnyAPI openai/o4-mini 200K Not listed Not listed - ReasoningToolsJSON Docs
Model Oracle AI o4-mini 200K Not listed Not listed - ReasoningToolsJSON Docs
GitHub Models openai/o4-mini 200K Not listed Not listed - Reasoning Docs
Poe openai/o4-mini 200K $0.99 $4 $0.25 ReasoningTools Docs
Requesty openai/o4-mini 200K $1.1 $4.4 $0.28 ReasoningTools Docs
Vercel AI Gateway openai/o4-mini 200K $1.1 $4.4 $0.275 ReasoningToolsJSON Docs
OpenAI o4-mini 200K $1.1 $4.4 $0.275 ReasoningToolsJSON Docs
Merge Gateway openai/o4-mini 200K $1.1 $4.4 $0.275 ReasoningToolsJSON Docs
NEAR AI Cloud openai/o4-mini 200K $1.1 $4.4 $0.275 ReasoningToolsJSON Docs
LLM Gateway o4-mini 200K $1.1 $4.4 $0.275 ReasoningToolsJSON Docs
Abacus o4-mini 200K $1.1 $4.4 - ReasoningToolsJSON Docs
Cloudflare AI Gateway openai/o4-mini 200K $1.1 $4.4 $0.28 ReasoningToolsJSON Docs
Azure o4-mini 200K $1.1 $4.4 $0.275 ReasoningTools Docs
Kilo Gateway openai/o4-mini 200K $1.1 $4.4 $0.275 ReasoningTools Docs
OpenRouter openai/o4-mini 200K $1.1 $4.4 $0.275 ReasoningToolsJSON Docs
Azure Cognitive Services o4-mini 200K $1.1 $4.4 $0.275 ReasoningTools Docs
NanoGPT openai/o4-mini 200K $1.1 $4.4 - ReasoningToolsJSON Docs

Capability badges appear only when the provider catalog explicitly lists support.

Serving quality

Performance and reliability

Observed serving measurements stay separate from model specifications and are never estimated from price or model size.

Throughput Not reported

Generation speed; higher is faster.

Latency / TTFT Not reported

Time until the first output token arrives.

Uptime Not reported

Successful requests over a measured period.

Performance varies by inference provider, region, and load. Provider-level measurements appear only when a source reports them.

Published evaluations

Benchmarks

Raw results remain attached to their original source and version.

Benchmark registry
Aider Polyglot - Unversioned - percent correctTop 8 reported models
GPT-5
88.0
o3-pro
84.9
Gemini 2.5 Pro
83.1
o3
81.3
DeepSeek Reasoner
74.2
Claude Opus 4
72.0
Claude Opus 4 (latest)
72.0
o4-mini
72.0
Design Arena: 3d - Unversioned - eloTop 8 reported models
Kimi K3
1456.0
Claude Opus 5
1384.0
Anthropic: Claude Fable 5 (batch)
1373.0
Claude Fable 5
1373.0
Z.ai: GLM 5.2
1366.0
Z.ai: GLM 5.1
1336.0
Anthropic: Claude Opus 4.6 (batch)
1332.0
o4-mini
910.0
Design Arena: codecategories - Unversioned - eloTop 8 reported models
Kimi K3
1418.0
Claude Opus 5
1358.0
Z.ai: GLM 5.2
1346.0
Anthropic: Claude Fable 5 (batch)
1340.0
Claude Fable 5
1340.0
Anthropic: Claude Opus 4.6 (batch)
1324.0
Anthropic: Claude Opus 4.6
1324.0
o4-mini
1006.0
Design Arena: dataviz - Unversioned - eloTop 8 reported models
Kimi K3
1382.0
Claude Opus 5
1378.0
Z.ai: GLM 5.1
1366.0
Google: Gemini 3.6 Flash (batch)
1350.0
Gemini 3.6 Flash
1350.0
Anthropic: Claude Fable 5 (batch)
1349.0
Claude Fable 5
1349.0
o4-mini
1021.0
Design Arena: gamedev - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1393.0
Claude Fable 5
1393.0
Z.ai: GLM 5.2
1358.0
Anthropic: Claude Sonnet 5 (batch)
1352.0
Claude Sonnet 5
1352.0
OpenAI: GPT-5.5 (batch)
1345.0
GPT-5.5
1345.0
o4-mini
1059.0
Design Arena: uicomponent - Unversioned - eloTop 8 reported models
Kimi K3
1413.0
Claude Opus 5
1406.0
Anthropic: Claude Fable 5 (batch)
1350.0
Claude Fable 5
1350.0
Anthropic: Claude Opus 4.7 (batch)
1339.0
Anthropic: Claude Opus 4.7
1339.0
Z.ai: GLM 5.2
1334.0
o4-mini
1020.0
Design Arena: website - Unversioned - eloTop 8 reported models
Kimi K3
1375.0
Claude Opus 5
1343.0
Z.ai: GLM 5.2
1340.0
Anthropic: Claude Fable 5 (batch)
1323.0
Claude Fable 5
1323.0
xAI: Grok 4.5
1323.0
Google: Gemini 3.6 Flash (batch)
1322.0
o4-mini
1010.0
Catalog activity

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API documentation
Endpoint
GET https://www.modelbench.lol/api/v1/models/openai/o4-mini
curl
curl "https://www.modelbench.lol/api/v1/models/openai/o4-mini"