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Claude Haiku 4.5 vs Claude Opus 4.6
A detailed comparison of Claude Haiku 4.5 (Anthropic) and Claude Opus 4.6 (Anthropic) across pricing, performance, and features.
Pricing Comparison
| Metric | Claude Haiku 4.5 | Claude Opus 4.6 | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.80 | $5.00 | +525% |
| Output / 1M tokens | $4.00 | $25.00 | +525% |
| Context window | 200K | 200K | — |
| Max output | 8.192K | 32K | — |
Benchmark Comparison
| Benchmark | Claude Haiku 4.5 | Claude Opus 4.6 |
|---|---|---|
| MMLU-Pro | 69.4% | 89.5% |
| HumanEval | 88.1% | 95% |
| GPQA | — | 75.5% |
Capabilities
| Capability | Claude Haiku 4.5 | Claude Opus 4.6 |
|---|---|---|
| code | ✓ | ✓ |
| reasoning | ✗ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✓ |
| vision | ✓ | ✓ |
Claude Haiku 4.5 Strengths
- ✓Very fast responses
- ✓Cheapest Anthropic option
- ✓Good for classification and extraction
Claude Haiku 4.5 Weaknesses
- ✗Weakest reasoning in the Claude family
- ✗Can struggle with nuanced instructions
Claude Opus 4.6 Strengths
- ✓Best-in-class agentic tool use and coding
- ✓1M context available in beta (Tier 4)
- ✓Strong at following complex multi-step instructions
Claude Opus 4.6 Weaknesses
- ✗Premium pricing ($10/$37.50 at 1M context)
- ✗1M context beta is Tier 4 only
Quick Verdict
Best value: Claude Haiku 4.5 is the more affordable option at $0.8/$4 per 1M tokens.
Higher benchmarks: Claude Opus 4.6 scores higher on average across available benchmarks (86.7% avg).
Choose Claude Haiku 4.5 if cost matters most. Choose Claude Opus 4.6 if you need the best possible quality for complex tasks.