Claude 4 Opus (Reasoning) vs Claude 4.1 Opus (Reasoning)
Comparing 2 AI models · 6 benchmarks · Anthropic
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Benchmark Winners
Claude 4 Opus (Reasoning)
- MATH 500
Claude 4.1 Opus (Reasoning)
- GPQA
- MMLU Pro
- HLE
- LiveCodeBench
- AIME 2025
| Metric | An Claude 4 Opus (Reasoning) | An Claude 4.1 Opus (Reasoning) |
|---|---|---|
| Pricing Per 1M tokens | ||
| Input Cost | $15.00/1M | $15.00/1M |
| Output Cost | $75.00/1M | $75.00/1M |
| Blended Cost 3:1 input/output ratio | $30.00/1M | $30.00/1M |
| Specifications | ||
| Organization Model creator | Anthropic | Anthropic |
| Release Date Launch date | May 22, 2025 | Aug 5, 2025 |
| Performance & Speed | ||
| Throughput Output speed | 43.5 tok/s | 49.4 tok/s |
| Time to First Token (TTFT) Initial response delay | 1164ms | 1207ms |
| Latency Time to first answer token | 47149ms | 41696ms |
| Composite Indices | ||
| Intelligence Index Overall reasoning capability | 27.4 | 31.9 |
| Coding Index Programming ability | 32.7 | 35.1 |
| Math Index Mathematical reasoning | 73.3 | 80.3 |
| Standard Benchmarks | ||
| GPQA Graduate-level reasoning | 79.6% | 80.9% |
| MMLU Pro Advanced knowledge | 87.3% | 88.0% |
| HLE Hard language evaluation | 11.7% | 11.9% |
| LiveCodeBench Real-world coding tasks | 63.6% | 65.4% |
| MATH 500 Mathematical problems | 98.2% | — |
| AIME 2025 Advanced math competition | 73.3% | 80.3% |
| AIME (Original) Math olympiad problems | 75.7% | — |
| SciCode Scientific code generation | 39.8% | 40.9% |
| LCR Code review capability | 33.7% | 66.3% |
| IFBench Instruction-following | 53.7% | 55.4% |
| TAU-bench v2 Tool use & agentic tasks | 70.5% | 71.4% |
| TerminalBench Hard CLI command generation | 29.1% | 32.1% |
Key Takeaways
Claude 4 Opus (Reasoning) offers the best value at $15.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Claude 4.1 Opus (Reasoning) leads in reasoning capabilities with a 80.9% GPQA score, excelling at complex analytical tasks and problem-solving.
Claude 4.1 Opus (Reasoning) achieves a 35.1 coding index, making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Claude 4 Opus (Reasoning)
- Cost-sensitive applications
- High-volume processing
Claude 4.1 Opus (Reasoning)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Try Models for Free
Try Claude 4 Opus (Reasoning) for FREE
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Try Claude 4.1 Opus (Reasoning) for FREE
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Cost Calculator
Claude 4 Opus (Reasoning) Claude 4.1 Opus (Reasoning) Costs are estimates based on API pricing. Actual costs may vary based on caching, batch processing, and volume discounts.
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