OpenAI o1 vs GPT-4.1 mini
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 |
GPT-4.1 mini
OpenAICost-optimized GPT-4.1 variant. Strong coding capability at budget pricing, replacing GPT-4o mini for many use cases.
| Input | $0.400/M |
| Output | $1.60/M |
| Context | 128K tokens |
| Best For | High-volume coding, cost-sensitive projects, automation |
| Benchmark | 68/100 |
Benchmark Performance Comparison
Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.
| Benchmark | OpenAI o1 | GPT-4.1 mini | Leader |
|---|---|---|---|
| Overall Score | 83 | 68 | o1 leads by 15pts |
| SWE-bench Verified | 80 | 62 | o1 leads by 18pts |
| LiveCodeBench | 84 | 70 | o1 leads by 14pts |
| HumanEval | 95 | 86 | o1 leads by 9pts |
| BigCodeBench | 73 | 54 | o1 leads by 19pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o1 | GPT-4.1 mini | Savings |
|---|---|---|---|
| Small Script (1K lines) | $2.32 | $0.06 | GPT-4.1 mini saves $2.26 (97%) |
| Medium Feature (10K lines) | $17.25 | $0.46 | GPT-4.1 mini saves $16.79 (97%) |
| Large Project (50K lines) | $86.25 | $2.30 | GPT-4.1 mini saves $83.95 (97%) |
| Code Review (5K lines) | $4.13 | $0.11 | GPT-4.1 mini saves $4.01 (97%) |
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 o1 | 83 | $0.181/pt | Higher cost per point |
| GPT-4.1 mini | 68 | $0.022/pt | Better value |
GPT-4.1 mini delivers the best value at $0.022 per score point.
Strengths & Weaknesses
OpenAI o1
- + Strong step-by-step reasoning
- + Best at math-heavy coding
- - Expensive
- - Slow
GPT-4.1 mini
- + Good value
- + Latest architecture
- - Mini variant limitations
Verdict
GPT-4.1 mini is cheaper at $0.400/M, but OpenAI o1 scores higher on benchmarks (83 vs 68).
Choose GPT-4.1 mini for cost-sensitive projects, OpenAI o1 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.