OpenAI o4-mini

vo4-mini-2025-04-16

OpenAI

Modelreasoningcode-generationmini-modelbudget-friendly
87
Strong
About This Model

OpenAI's best small reasoning model (April 2025). 93% AIME, 68% SWE-bench, 10x cheaper than o3. First mini with full tool support + multimodality.

Last Evaluated: November 17, 2025
Official Website

Trust Vector Analysis

Dimension Breakdown

🚀Performance & Reliability
+

Strong performance with efficient reasoning. Excellent HumanEval at 87.3% with fast latency.

task accuracy code

Industry-standard coding benchmarks

Evidence
SWE-bench Verified68.1% (vs o3's 69.1%, o3-mini's 49.3%)
HumanEval87.3% accuracy on code generation
highVerified: 2025-11-08
task accuracy reasoning

Competition-level reasoning benchmarks

Evidence
AIME 2024 & 202593.4% AIME 2024, 92.7% AIME 2025, 99.5% with Python
highVerified: 2025-11-08
task accuracy general

Comprehensive knowledge testing

Evidence
MMLU75.8% on comprehensive knowledge
highVerified: 2025-11-08
output consistency

Internal testing

Evidence
OpenAI DocumentationGood consistency with efficient reasoning
highVerified: 2025-11-08
latency p50

Median latency

Evidence
OpenAI DocumentationFast response time ~1.8s
highVerified: 2025-11-08
latency p95

95th percentile

Evidence
Community benchmarkingp95 latency ~3.2s
highVerified: 2025-11-08
context window

Official specification

Evidence
OpenAI Documentation128K tokens
highVerified: 2025-11-08
uptime

Historical data

Evidence
OpenAI Status99.9% uptime
highVerified: 2025-11-08
🛡️Security
+

Good security with reasoning-enhanced safety.

prompt injection resistance

OWASP LLM01 testing

Evidence
OpenAI SafetyStrong resistance
highVerified: 2025-11-08
jailbreak resistance

Adversarial testing

Evidence
OpenAI SafetyGood jailbreak resistance
highVerified: 2025-11-08
data leakage prevention

Policy analysis

Evidence
OpenAI PrivacyStandard practices
mediumVerified: 2025-11-08
output safety

Safety testing

Evidence
OpenAI SafetyComprehensive filtering
highVerified: 2025-11-08
api security

Security review

Evidence
OpenAI APIEnterprise security
highVerified: 2025-11-08
🔒Privacy & Compliance
+

Good privacy with SOC 2. 30-day retention minimum.

data residency

Documentation review

Evidence
OpenAI EnterpriseUS-based
highVerified: 2025-11-08
training data optout

Policy analysis

Evidence
OpenAI PrivacyNo API training by default
highVerified: 2025-11-08
data retention

Policy review

Evidence
OpenAI Policies30-day retention
highVerified: 2025-11-08
pii handling

Documentation review

Evidence
OpenAI DocumentationCustomer responsible
mediumVerified: 2025-11-08
compliance certifications

Certification verification

Evidence
OpenAI TrustSOC 2, GDPR
highVerified: 2025-11-08
zero data retention

Policy review

Evidence
OpenAI Enterprise30-day minimum
mediumVerified: 2025-11-08
👁️Trust & Transparency
+

Good transparency with visible reasoning. Strong safety guardrails.

explainability

Feature evaluation

Evidence
Chain-of-ThoughtVisible reasoning
highVerified: 2025-11-08
hallucination rate

QA testing

Evidence
OpenAI BenchmarksReduced via reasoning
highVerified: 2025-11-08
bias fairness

Bias testing

Evidence
OpenAI SafetyOngoing mitigation
mediumVerified: 2025-11-08
uncertainty quantification

Confidence assessment

Evidence
Model BehaviorGood expression
highVerified: 2025-11-08
model card quality

Documentation review

Evidence
OpenAI DocsComprehensive docs
highVerified: 2025-11-08
training data transparency

Disclosure review

Evidence
OpenAI ResearchGeneral description
mediumVerified: 2025-11-08
guardrails

Safety analysis

Evidence
OpenAI SafetyComprehensive guardrails
highVerified: 2025-11-08
⚙️Operational Excellence
+

Excellent operational maturity with mature ecosystem.

api design quality

API review

Evidence
OpenAI APIWell-designed
highVerified: 2025-11-08
sdk quality

SDK review

Evidence
OpenAI SDKsHigh-quality
highVerified: 2025-11-08
versioning policy

Policy review

Evidence
OpenAI VersioningClear policy
highVerified: 2025-11-08
monitoring observability

Tool review

Evidence
OpenAI PlatformGood dashboard
highVerified: 2025-11-08
support quality

Support assessment

Evidence
OpenAI SupportGood support
highVerified: 2025-11-08
ecosystem maturity

Ecosystem analysis

Evidence
OpenAI EcosystemMature
highVerified: 2025-11-08
license terms

Terms review

Evidence
OpenAI TermsStandard commercial
highVerified: 2025-11-08
Strengths
  • +Strong HumanEval performance (87.3%)
  • +Fast latency (1.8s p50) for a reasoning model
  • +Good value with reasoning at mini pricing
  • +Visible chain-of-thought reasoning
  • +Strong mathematical capabilities
  • +Comprehensive safety guardrails
Limitations
  • !30-day data retention (not ephemeral)
  • !Not HIPAA eligible by default
  • !Lower than o4-mini on some benchmarks
  • !Mini model limitations for complex reasoning
  • !Reasoning overhead for simple tasks
  • !Moderate general knowledge (75.8% MMLU)
Metadata
pricing
input: $1.00 per 1M tokens
output: $4.00 per 1M tokens
notes: Budget-friendly reasoning model pricing (Flex tier)
last verified: 2025-11-09
context window: 128000
languages
0: English
1: Spanish
2: French
3: German
4: Italian
5: Portuguese
6: Japanese
7: Korean
8: Chinese
modalities
0: text
api endpoint: https://api.openai.com/v1/chat/completions
open source: false
architecture: Transformer-based with efficient chain-of-thought
parameters: Not disclosed

Use Case Ratings

code generation

Strong coding with 87.3% HumanEval. Fast latency great for development workflows.

customer support

Good but reasoning may add latency. Better for complex support.

content creation

Adequate but reasoning may be unnecessary for creative tasks.

data analysis

Strong analytical capabilities with efficient reasoning.

research assistant

Good research with visible reasoning at affordable pricing.

legal compliance

Good reasoning but 30-day retention may be concern.

healthcare

Not HIPAA eligible by default.

financial analysis

Strong analytical capabilities at reasonable pricing.

education

Excellent for education with visible reasoning and good value.

creative writing

Adequate but reasoning may hinder creativity.