Claude Sonnet 4.6 vs o1
2026 - Pricing, benchmarks, and use case comparison
Quick take
- •Claude Sonnet 4.6 is 80% cheaper on input tokens - better for high-volume workloads.
Specs comparison
| Claude Sonnet 4.6 | o1 | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Type | Closed source | Closed source |
| Context window | 200K | 200K |
| Input / 1M tokens | ✓$3.00 | $15.00 |
| Output / 1M tokens | $15.00 | $60.00 |
| Release date | 2025-07 | 2024-09 |
Benchmarks
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| SWE-bench Verified | ~49% | 48.9% |
| MMLU | ~88% | - |
| HumanEval | ~93% | 92.4% |
| GPQA Diamond | - | 78.3% |
Scores sourced from official provider release posts.
Strengths
Claude Sonnet 4.6
- ✓Strong coding and debugging across most languages
- ✓Excellent at following multi-step instructions
- ✓200K context handles entire codebases
- ✓Fast enough for interactive use cases
- ✓Solid function calling and structured output
o1
- ✓Best-in-class math and physics
- ✓Strong competitive coding (Codeforces, HumanEval)
- ✓Scientific reasoning (GPQA top performer)
- ✓Multi-step logic and planning
- ✓200K context for long technical documents
Which should you choose?
Choose Claude Sonnet 4.6 if you need...
- →Production API integrations
- →Coding assistants and IDEs
- →Document analysis
- →Agentic workflows
Choose o1 if you need...
- →Math and science problems
- →Competitive programming
- →Complex multi-step reasoning
- →Research assistance