OpenAI o1 Pro vs GPT-4.1
Performance benchmarks + pricing comparison — updated April 2026
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 |
GPT-4.1
OpenAIUpdated GPT-4 generation with improved instruction following and reduced hallucination. Better coding accuracy than GPT-4o.
| Input | $2.00/M |
| Output | $8.00/M |
| Context | 128K tokens |
| Best For | Production coding, API development, complex instructions |
| Benchmark | 80/100 |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o1 Pro | GPT-4.1 | Savings |
|---|---|---|---|
| Small Script (1K lines) | $3.10 | $0.31 | GPT-4.1 saves $2.79 (90%) |
| Medium Feature (10K lines) | $23.00 | $2.30 | GPT-4.1 saves $20.70 (90%) |
| Large Project (50K lines) | $115.00 | $11.50 | GPT-4.1 saves $103.50 (90%) |
| Code Review (5K lines) | $5.50 | $0.55 | GPT-4.1 saves $4.95 (90%) |
Verdict
GPT-4.1 wins on both price and performance — $2.00/M input with a benchmark score of N/A/100.
For most developers, this is the clear choice between these two models.
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