OpenAI o1-mini

v2024-12

OpenAI

Modelreasoningchain-of-thoughtcodingeducation
85
Strong
About This Model

OpenAI's efficient reasoning model with chain-of-thought capabilities at lower cost. Balanced performance for reasoning tasks with faster response times than o3.

Last Evaluated: November 8, 2025
Official Website

Trust Vector Analysis

Dimension Breakdown

🚀Performance & Reliability
+

Good reasoning performance with faster inference than o3. Balanced for cost-sensitive reasoning tasks.

task accuracy code

Industry-standard coding benchmarks

Evidence
HumanEval Benchmark63.6% pass rate
highVerified: 2025-11-08
task accuracy reasoning

Mathematical reasoning benchmarks

Evidence
MATH Benchmark78% on mathematical reasoning
highVerified: 2025-11-08
task accuracy general

Knowledge testing benchmarks

Evidence
MMLU Benchmark60% on multitask language understanding
highVerified: 2025-11-08
output consistency

Internal testing

Evidence
OpenAI Internal TestingGood consistency with reasoning traces
mediumVerified: 2025-11-08
latency p50

Median latency

Evidence
OpenAI Documentation~1.8s typical response
mediumVerified: 2025-11-08
latency p95

95th percentile

Evidence
mediumVerified: 2025-11-08
context window

Official specification

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

Historical uptime

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

Strong security with reasoning-enhanced safety.

prompt injection resistance

OWASP LLM01 testing

Evidence
OpenAI Safety TestingStrong resistance
highVerified: 2025-11-08
jailbreak resistance

Adversarial testing

Evidence
OpenAI Safety EvaluationsRobust safety mechanisms
highVerified: 2025-11-08
data leakage prevention

Policy analysis

Evidence
OpenAI Privacy PolicyAPI data not used for training
mediumVerified: 2025-11-08
output safety

Safety benchmarks

Evidence
OpenAI Safety BenchmarksComprehensive safety testing
highVerified: 2025-11-08
api security

API review

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

Standard OpenAI privacy with 30-day retention.

data residency

Documentation review

Evidence
OpenAI DocumentationUS infrastructure
highVerified: 2025-11-08
training data optout

Policy analysis

Evidence
OpenAI Privacy PolicyAPI data opt-out by default
highVerified: 2025-11-08
data retention

Terms review

Evidence
OpenAI Terms30-day retention
highVerified: 2025-11-08
pii handling

Documentation review

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

Certification verification

Evidence
OpenAI Trust PortalSOC 2 Type II, GDPR
highVerified: 2025-11-08
zero data retention

Policy review

Evidence
OpenAI Documentation30-day retention
highVerified: 2025-11-08
👁️Trust & Transparency
+

Excellent explainability via chain-of-thought. Good transparency.

explainability

Reasoning transparency evaluation

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

Factual QA testing

Evidence
SimpleQAGood factual accuracy
mediumVerified: 2025-11-08
bias fairness

Bias benchmarks

Evidence
OpenAI SafetyBias testing applied
mediumVerified: 2025-11-08
uncertainty quantification

Qualitative assessment

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

Documentation review

Evidence
OpenAI DocumentationComprehensive documentation
highVerified: 2025-11-08
training data transparency

Public disclosure review

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

Safety system analysis

Evidence
Safety SystemsComprehensive guardrails
highVerified: 2025-11-08
⚙️Operational Excellence
+

Excellent operational maturity with OpenAI ecosystem.

api design quality

API review

Evidence
OpenAI APIRESTful API
highVerified: 2025-11-08
sdk quality

SDK review

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

Policy review

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

Tool review

Evidence
OpenAI DashboardUsage dashboard
mediumVerified: 2025-11-08
support quality

Support assessment

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

Ecosystem analysis

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

Terms review

Evidence
OpenAI TermsClear terms
highVerified: 2025-11-08
Strengths
  • +Good coding performance (63.6% HumanEval)
  • +Chain-of-thought reasoning provides transparency
  • +Strong mathematical capabilities (78% MATH)
  • +Faster than o3 with lower cost
  • +Good balance of reasoning and speed
  • +Mature OpenAI ecosystem
Limitations
  • !Higher latency than non-reasoning models (~1.8s p50)
  • !30-day data retention
  • !Not HIPAA eligible
  • !Reasoning overhead unnecessary for simple tasks
  • !Lower performance than o3 on complex tasks
  • !Premium pricing for reasoning capabilities
Metadata
pricing
input: $3.00 per 1M tokens
output: $12.00 per 1M tokens
notes: Mid-tier reasoning model pricing (pricing varies by tier and usage)
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 with chain-of-thought
parameters: Not disclosed

Use Case Ratings

code generation

Good coding (63.6% HumanEval) with reasoning transparency.

customer support

Reasoning overhead may be unnecessary for basic support.

content creation

Good quality but reasoning overhead for simple content.

data analysis

Strong analytical capabilities with reasoning traces.

research assistant

Excellent with reasoning transparency and good knowledge.

legal compliance

Good reasoning but 30-day retention may limit use.

healthcare

Not HIPAA eligible.

financial analysis

Good for financial modeling with reasoning traces.

education

Excellent for STEM with step-by-step reasoning.

creative writing

Reasoning overhead unnecessary for creative tasks.