OpenAI o3 vs OpenAI o1 Pro
Performance benchmarks + pricing comparison — updated April 2026
OpenAI o3
OpenAINext generation reasoning model. Improved coding and math over o1.
| Input | $10.00/M |
| Output | $40.00/M |
| Context | 200K tokens |
| Best For | Advanced coding, complex problem-solving |
| Benchmark | 85/100 |
OpenAI o1 Pro
OpenAIPremium reasoning model with extended compute. Best-in-class for complex math, science, and advanced coding challenges.
| Input | $20.00/M |
| Output | $80.00/M |
| Context | 200K tokens |
| Best For | Research-grade problem solving, competition math, complex system design |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o3 | OpenAI o1 Pro | Savings |
|---|---|---|---|
| Small Script (1K lines) | $1.55 | $3.10 | OpenAI o3 saves $1.55 (50%) |
| Medium Feature (10K lines) | $11.50 | $23.00 | OpenAI o3 saves $11.50 (50%) |
| Large Project (50K lines) | $57.50 | $115.00 | OpenAI o3 saves $57.50 (50%) |
| Code Review (5K lines) | $2.75 | $5.50 | OpenAI o3 saves $2.75 (50%) |
Verdict
OpenAI o3 wins on both price and performance — $10.00/M input with a benchmark score of N/A/100.
For most developers, this is the clear choice between these two models.
Compare with Other Models
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Claude Opus 4
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Claude 3.5 Sonnet
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Claude 3.5 Haiku
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Claude 3 Opus
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Claude 3 Sonnet
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