OpenAI o1 vs O1 Preview
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 |
O1 Preview
OpenAIOpenAI's first reasoning model. Strong at complex problem solving but expensive.
| Input | $15.00/M |
| Output | $60.00/M |
| Context | 128K tokens |
| Best For | Complex math, science, algorithm design |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o1 | O1 Preview | Savings |
|---|---|---|---|
| Small Script (1K lines) | $2.32 | $2.32 | OpenAI o1 saves <$0.01 (0%) |
| Medium Feature (10K lines) | $17.25 | $17.25 | OpenAI o1 saves <$0.01 (0%) |
| Large Project (50K lines) | $86.25 | $86.25 | OpenAI o1 saves <$0.01 (0%) |
| Code Review (5K lines) | $4.13 | $4.13 | OpenAI o1 saves <$0.01 (0%) |
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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