OpenAI o1 vs OpenAI o3 Pro
Performance benchmarks + pricing comparison — updated April 2026
OpenAI o1
OpenAIReasoning model optimized for complex problem-solving. Excels at math, science, and advanced coding.
| Input | $15.00/M |
| Output | $60.00/M |
| Context | 200K tokens |
| Best For | Complex math, advanced coding, scientific reasoning |
| Benchmark | 83/100 |
OpenAI o3 Pro
OpenAITop-tier reasoning model combining o3's coding strength with extended compute. The most powerful OpenAI model for reasoning-heavy coding.
| Input | $20.00/M |
| Output | $80.00/M |
| Context | 200K tokens |
| Best For | Complex algorithm design, system architecture, research coding |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o1 | OpenAI o3 Pro | Savings |
|---|---|---|---|
| Small Script (1K lines) | $2.32 | $3.10 | OpenAI o1 saves $0.78 (25%) |
| Medium Feature (10K lines) | $17.25 | $23.00 | OpenAI o1 saves $5.75 (25%) |
| Large Project (50K lines) | $86.25 | $115.00 | OpenAI o1 saves $28.75 (25%) |
| Code Review (5K lines) | $4.13 | $5.50 | OpenAI o1 saves $1.38 (25%) |
Verdict
OpenAI o1 wins on both price and performance — $15.00/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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