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Claude Sonnet 4.5 vs Llama 4 Scout
A detailed comparison of Claude Sonnet 4.5 (Anthropic) and Llama 4 Scout (Meta) across pricing, performance, and features.
Pricing Comparison
| Metric | Claude Sonnet 4.5 | Llama 4 Scout | Difference |
|---|---|---|---|
| Input / 1M tokens | $3.00 | $0.18 | -94% |
| Output / 1M tokens | $15.00 | $0.63 | -96% |
| Context window | 200K | 10M | — |
| Max output | 16K | 32K | — |
Benchmark Comparison
| Benchmark | Claude Sonnet 4.5 | Llama 4 Scout |
|---|---|---|
| MMLU-Pro | 84.5% | 74.2% |
| HumanEval | 93% | 86% |
| GPQA | 68.2% | — |
Capabilities
| Capability | Claude Sonnet 4.5 | Llama 4 Scout |
|---|---|---|
| code | ✓ | ✓ |
| reasoning | ✓ | ✗ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✗ |
| vision | ✓ | ✓ |
Claude Sonnet 4.5 Strengths
- ✓Well-tested and stable
- ✓Strong coding and analysis
Claude Sonnet 4.5 Weaknesses
- ✗Superseded by Sonnet 4.6
- ✗Same price as the newer model
Llama 4 Scout Strengths
- ✓10M token context — largest available
- ✓Open-source
- ✓Ultra cheap via API providers
Llama 4 Scout Weaknesses
- ✗Lower benchmarks than Maverick
- ✗Limited tool-use support
Quick Verdict
Best value: Llama 4 Scout is the more affordable option at $0.18/$0.63 per 1M tokens.
Higher benchmarks: Claude Sonnet 4.5 scores higher on average across available benchmarks (81.9% avg).
Larger context: Llama 4 Scout supports 10M tokens.
Choose Llama 4 Scout if cost matters most. Choose Claude Sonnet 4.5 if you need the best possible quality for complex tasks.