Claude Haiku 4.5 vs Claude Opus 4.7
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 Haiku 4.5 or Claude Opus 4.7?
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 Haiku 4.5 charges $5.00/1M/1M vs $25.00/1M/1M for Claude Opus 4.7.
Which has better quality: Claude Haiku 4.5 or Claude Opus 4.7?
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 Haiku 4.5 excels at near-frontier intelligence at the lowest claude price tier. Claude Opus 4.7 is known for step-change improvement in agentic coding over opus 4.6.
Which should you choose: Claude Haiku 4.5 or Claude Opus 4.7?
- → Near-frontier intelligence at the lowest Claude price tier
- → Fastest Claude model
- → 200K context window
- → Step-change improvement in agentic coding over Opus 4.6
- → 1M token context window at standard pricing
- → 128K max output tokens
Frequently Asked Questions
Which is cheaper: Claude Haiku 4.5 or Claude Opus 4.7?
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 Haiku 4.5 or Claude Opus 4.7?
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 Haiku 4.5 or Claude Opus 4.7?
Claude Opus 4.7 has a larger context window at 1000K tokens.
Should I choose Claude Haiku 4.5 or Claude Opus 4.7?
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 Haiku 4.5 is best for fast-response and customer-support, while Claude Opus 4.7 excels at coding and reasoning.
Is Claude Haiku 4.5 or Claude Opus 4.7 open source?
Claude Haiku 4.5 is proprietary. Claude Opus 4.7 is proprietary.