Claude Sonnet 4.6 vs Llama 4
2026 - Pricing, benchmarks, and use case comparison
Quick take
- •Llama 4 is open-weights - free to self-host with no API costs. Claude Sonnet 4.6 requires paid API access.
- •Llama 4 has a 10M context window - 50x larger than Claude Sonnet 4.6's 200K. Better for long documents and large codebases.
- •Llama 4 is open-source: fine-tune it, self-host it, or use any inference provider. Claude Sonnet 4.6 is closed-source.
Specs comparison
| Claude Sonnet 4.6 | Llama 4 | |
|---|---|---|
| Provider | Anthropic | Meta |
| Type | Closed source | Open source |
| Context window | 200K | ✓10M |
| Input / 1M tokens | $3.00 | ✓Free (self-host) |
| Output / 1M tokens | $15.00 | Free (self-host) |
| Release date | 2025-07 | 2025-04 |
Benchmarks
| Benchmark | Claude Sonnet 4.6 | Llama 4 |
|---|---|---|
| SWE-bench Verified | ~49% | - |
| MMLU | ~88% | ~85% |
| HumanEval | ~93% | - |
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
Llama 4
- ✓Fully open weights - no usage restrictions
- ✓10M context in Llama 4 Scout variant
- ✓Native multimodal support
- ✓Strong performance relative to size
- ✓Enormous ecosystem of community tools and fine-tunes
Which should you choose?
Choose Claude Sonnet 4.6 if you need...
- →Production API integrations
- →Coding assistants and IDEs
- →Document analysis
- →Agentic workflows
Choose Llama 4 if you need...
- →Self-hosted and on-premise deployments
- →Privacy-sensitive workloads
- →Custom fine-tuning
- →Researchers and open-source builders