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Claude Haiku 4.5 vs Claude Opus 4.6

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Claude Haiku 4.5 is cheaper by about $1,400.00/month.

Claude Haiku 4.5Claude Opus 4.6
Provideranthropicanthropic
Input / 1M$1.00$5.00
Output / 1M$5.00$25.00
Per request (sample)$0.00350$0.0175
Monthly (sample)$350.00$1,750.00
Context window200,0001,000,000
VisionNoYes
ReasoningNoYes
Arena · Overall13941449
Arena · Coding13241538
Arena · Math & reasoning1425
Arena · Agentic / tool use1435

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 28 July 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.

Compare on your own workload

Claude Haiku 4.5 and Claude Opus 4.6 are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.

Used unless you set active users below.

Results update automatically as you type.

Result
Cheapest: Claude Haiku 4.5 at $350.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Claude Haiku 4.5Anthropic$0.00350$350.00$4,200.00200,000
Claude Opus 4.6Anthropic$0.0175$1,750.00$21,000.001,000,000

FAQ

Which is cheaper, Claude Haiku 4.5 or Claude Opus 4.6?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Claude Haiku 4.5 is cheaper, costing about $350.00/month versus $1,750.00/month.

What is the context window of Claude Haiku 4.5 and Claude Opus 4.6?

Claude Haiku 4.5 supports 200,000 tokens, while Claude Opus 4.6 supports 1,000,000 tokens.

Estimates for planning only. Verify current pricing with each provider.