OpenAI o3 vs GPT-4.1
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 |
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 |
Benchmark Performance Comparison
Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.
| Benchmark | OpenAI o3 | GPT-4.1 | Leader |
|---|---|---|---|
| Overall Score | 85 | 80 | o3 leads by 5pts |
| SWE-bench Verified | 82 | 76 | o3 leads by 6pts |
| LiveCodeBench | 88 | 82 | o3 leads by 6pts |
| HumanEval | 96 | 94 | o3 leads by 2pts |
| BigCodeBench | 74 | 68 | o3 leads by 6pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o3 | GPT-4.1 | Savings |
|---|---|---|---|
| Small Script (1K lines) | $1.55 | $0.31 | GPT-4.1 saves $1.24 (80%) |
| Medium Feature (10K lines) | $11.50 | $2.30 | GPT-4.1 saves $9.20 (80%) |
| Large Project (50K lines) | $57.50 | $11.50 | GPT-4.1 saves $46.00 (80%) |
| Code Review (5K lines) | $2.75 | $0.55 | GPT-4.1 saves $2.20 (80%) |
Value Analysis (Price per Benchmark Score Point)
Lower is better — how much you pay for each point of benchmark performance.
| Model | Overall Score | Price per Score Point | Verdict |
|---|---|---|---|
| OpenAI o3 | 85 | $0.167/pt | Higher cost per point |
| GPT-4.1 | 80 | $0.063/pt | Better value |
GPT-4.1 delivers the best value at $0.063 per score point.
Strengths & Weaknesses
OpenAI o3
- + Latest reasoning model
- + Top-tier across all benchmarks
- - Very expensive
- - Slow
GPT-4.1
- + Latest GPT model
- + Strong across all benchmarks
- - Premium pricing
Verdict
GPT-4.1 is cheaper at $2.00/M, but OpenAI o3 scores higher on benchmarks (85 vs 80).
Choose GPT-4.1 for cost-sensitive projects, OpenAI o3 when performance matters most.
Compare with Other Models
Claude Sonnet 4
AnthropicAnthropic's balanced model for coding and general tasks. Best price-performance ratio in the Claude family.
Claude Opus 4
AnthropicAnthropic's most powerful model. Best for complex reasoning and challenging coding tasks.
Claude 3.5 Sonnet
AnthropicPrevious generation Sonnet. Still excellent for coding tasks at the same price point.
Claude 3.5 Haiku
AnthropicFast, cost-effective model for high-volume tasks. Great for code review and simple queries.
Claude 3 Opus
AnthropicFirst generation Opus. Highest reasoning capability in the Claude 3 family.
Claude 3 Sonnet
AnthropicFirst generation Sonnet. Balanced performance for general tasks.