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o3 Deep Research vs o3 Mini High

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for o3 Deep Research and o3 Mini High.

OpenAI

o3 Deep Research

o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds additional cost.

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OpenAI

o3 Mini High

OpenAI o3-mini-high is the same model as [o3-mini](/openai/o3-mini) with reasoning_effort set to high. o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and...

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Technical Specifications

Specificationo3 Deep Researcho3 Mini High
ProviderOpenAIOpenAI
Context Window200,000 tokens200,000 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-10-102025-02-12

API Pricing Comparison

Input Price per Million Tokens

o3 Deep Research

$10.00

o3 Mini High

$1.10

Output Price per Million Tokens

o3 Deep Research

$40.00

o3 Mini High

$4.40

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

o3 Deep Research Quirks & Gotchas

No developer gotchas reported.

o3 Mini High Quirks & Gotchas

No developer gotchas reported.