Overview

OpenAI's most powerful reasoning model. o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following. Use it to think through multi-step problems that involve analysis across text, code, and images.

o3 was released on April 16, 2025. API access is available through OpenAI.

Performance

Timeline

ReleasedUnknown
Knowledge CutoffUnknown

Specifications

Parameters
Unknown
License
Proprietary
Training Data
Unknown

Benchmarks

o3 Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

LLM Stats Logollm-stats.com - Sun Dec 21 2025
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Pricing

Pricing, performance, and capabilities for o3 across different providers:

ProviderInput ($/M)Output ($/M)Max InputMax OutputLatency (s)ThroughputQuantizationInputOutput
OpenAI logo
OpenAI
$2.00$8.00200.0K100.0K20.050.0 tok/s
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Video
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Video

API Access

API Access Coming Soon

API access for o3 will be available soon through our gateway.

Recent Posts

Recent Reviews

FAQ

Common questions about o3

o3 was released on April 16, 2025.