Claude Opus 4.7 vs Claude Haiku 4.5
Pricing, context window, and benchmark comparison · Last updated April 2026
Claude Haiku 4.5 is cheaper than Claude Opus 4.7 at $1.00/1M/1M vs $5.00/1M/1M input tokens — a 5.0x cost difference. Claude Opus 4.7 scores higher on quality benchmarks (ELO 1415). Choose Claude Haiku 4.5 for cost-sensitive workloads; choose Claude Opus 4.7 for maximum quality.
Which is cheaper: Claude Opus 4.7 or Claude Haiku 4.5?
Claude Haiku 4.5 is the cheaper option at $1.00/1M per 1M input tokens, compared to $5.00/1M for Claude Opus 4.7. That is a 5.0x cost difference on input tokens. Output pricing follows a similar pattern: Claude Opus 4.7 charges $25.00/1M/1M vs $5.00/1M/1M for Claude Haiku 4.5.
Which has better quality: Claude Opus 4.7 or Claude Haiku 4.5?
Based on LMSYS Chatbot Arena rankings, Claude Opus 4.7 achieves a higher ELO score (1415 vs 1320), suggesting stronger performance on open-ended tasks. Claude Opus 4.7 excels at step-change improvement in agentic coding over opus 4.6. Claude Haiku 4.5 is known for near-frontier intelligence at the lowest claude price tier.
Which should you choose: Claude Opus 4.7 or Claude Haiku 4.5?
- → Step-change improvement in agentic coding over Opus 4.6
- → 1M token context window at standard pricing
- → 128K max output tokens
- → Near-frontier intelligence at the lowest Claude price tier
- → Fastest Claude model
- → 200K context window
Frequently Asked Questions
Which is cheaper: Claude Opus 4.7 or Claude Haiku 4.5?
Claude Haiku 4.5 is cheaper at $1.00/1M per 1M input tokens, making it 5.0x more affordable.
Which has better quality: Claude Opus 4.7 or Claude Haiku 4.5?
Claude Opus 4.7 scores higher on the LMSYS Chatbot Arena with an ELO of 1415, suggesting better overall quality for most tasks.
Which has a larger context window: Claude Opus 4.7 or Claude Haiku 4.5?
Claude Opus 4.7 has a larger context window at 1000K tokens.
Should I choose Claude Opus 4.7 or Claude Haiku 4.5?
Choose Claude Haiku 4.5 if cost is the priority. Choose Claude Opus 4.7 if benchmark quality is most important. Consider your specific use case: Claude Opus 4.7 is best for coding and reasoning, while Claude Haiku 4.5 excels at fast-response and customer-support.
Is Claude Opus 4.7 or Claude Haiku 4.5 open source?
Claude Opus 4.7 is proprietary. Claude Haiku 4.5 is proprietary.