OpenAI o3
Full o3 reasoning model with vision and tool use.
Pricing
Specifications
Benchmark Scores
Strengths
- Frontier reasoning
- Vision in reasoning mode
Weaknesses
- Very expensive
- Slow inference
Historical Intelligence
Pricing, context, and benchmark trends over time
Pricing History
Input and output price per million tokens over time
Context Window Growth
Context window tokens over time
Coding Score Progress
Benchmark score over time (0–100)
Reasoning Score Progress
Benchmark score over time (0–100)
OpenAI o3 Evolution
Combined pricing trend and benchmark performance
OpenAI o3 vs related models
Capability radar vs semantically related catalog models
Intelligence Graph
Provider hub →Provider Overview
OpenAI is the leading AI research lab behind GPT, o-series reasoning models, and ChatGPT. Their API platform powers millions of applications worldwide with industry-leading multimodal capabilities.
11 models tracked · Documentation
Related Models
Computed from benchmark, pricing, and capability similarity
OpenAI o1
Reasoning model using internal chain-of-thought.
Why: same provider (OpenAI), similar coding performance
Confidence95%OpenAI o3 Mini
Efficient reasoning model in the o3 family.
Why: same provider (OpenAI), similar coding performance
Confidence91%OpenAI o4 Mini
Latest compact reasoning model with vision support.
Why: same provider (OpenAI), similar coding performance
Confidence85%DeepSeek R1
Open reasoning model with o1-class performance at fraction of cost.
Why: similar coding performance, similar reasoning scores
Confidence84%Claude 4 Opus
Anthropic flagship for the most demanding tasks.
Why: similar coding performance, similar reasoning scores
Confidence79%DeepSeek V3 0324
Updated V3 with improved instruction following and 128K context.
Why: similar coding performance
Confidence78%
Recommended Comparisons
Side-by-side analysis with semantically similar models
OpenAI o3 vs OpenAI o1
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (OpenAI), similar coding performance
Confidence95%OpenAI o3 vs OpenAI o3 Mini
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (OpenAI), similar coding performance
Confidence91%OpenAI o3 vs OpenAI o4 Mini
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (OpenAI), similar coding performance
Confidence85%OpenAI o3 vs DeepSeek R1
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance, similar reasoning scores
Confidence84%OpenAI o3 vs Claude 4 Opus
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance, similar reasoning scores
Confidence79%OpenAI o3 vs DeepSeek V3 0324
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance
Confidence78%
Best Alternatives
Higher-scoring models with similar capability profiles
Claude 4 Opus
Anthropic flagship for the most demanding tasks.
Why: +8 overall benchmark score, similar coding performance, similar reasoning scores
Confidence79%Claude Opus 4.1
Anthropic's latest Opus-class model for deep reasoning, coding, and long-form analysis.
Why: +7 overall benchmark score, similar coding performance, similar reasoning scores
Confidence77%GPT-5
OpenAI flagship GPT-5 generation for general and agentic workloads.
Why: +7 overall benchmark score, same provider (OpenAI), similar coding performance
Confidence76%Claude 4 Sonnet
Latest Sonnet with improved reasoning and tool use.
Why: +6 overall benchmark score, similar coding performance, similar reasoning scores
Confidence76%
Cheaper Alternatives
Lower-cost models with comparable attributes
OpenAI o3 Mini
Efficient reasoning model in the o3 family.
Why: Saves $44.50/M combined tokens vs OpenAI o3
Confidence91%OpenAI o4 Mini
Latest compact reasoning model with vision support.
Why: Saves $44.50/M combined tokens vs OpenAI o3
Confidence85%DeepSeek R1
Open reasoning model with o1-class performance at fraction of cost.
Why: Saves $47.26/M combined tokens vs OpenAI o3
Confidence84%DeepSeek V3 0324
Updated V3 with improved instruction following and 128K context.
Why: Saves $48.63/M combined tokens vs OpenAI o3
Confidence78%
Related Calculators
AI Cost Calculator
Estimate daily, monthly, and yearly API costs with provider and model selection.
Why: Estimate costs for OpenAI o3
Token Counter
Convert between words and estimated token counts.
Why: Token estimation for prompt workloads
Inference Latency Estimator
Project response times based on output tokens and throughput.
Why: reasoning latency tier estimation
Context Window Utilization
Calculate how much of a model's context window you're consuming.
Why: 200K context window analysis
Related Tools
AI Model Finder
Find models matching your priorities
Why: Relevant for OpenAI o3 workloads
Prompt Optimizer
Optimize prompts for cost and quality
Why: Relevant for OpenAI o3 workloads
AI Stack Builder
Build a tailored AI tool stack
Why: Relevant for OpenAI o3 workloads
Subscription Optimizer
Optimize AI subscription spend
Why: Relevant for OpenAI o3 workloads
Timeline Highlights
Latest Releases
Recent launches from related providers
