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Claude Opus 4.7 vs Claude Haiku 4.5

Anthropic vs Anthropic. Specs, benchmarks, and real per-task cost — all in one page.

Verdict

Claude Opus 4.7 leads on LMSYS ELO (1412 vs 1305). Claude Haiku 4.5 is ~18.8× cheaper on a 3:1 input:output blend.

Anthropic
Claude Opus 4.7

Anthropic’s frontier reasoning model. Leads SWE-Bench and holds top ranks on long-context coding and agentic workflows.

Best-in-class coding agent behaviorStrong instruction following1M-token context with high recallHigh reliability under tool use
Anthropic
Claude Haiku 4.5

Fast, cheap, and smart enough for most routing and extraction tasks. Great base model for subagents.

Sub-second latency10x cheaper than OpusStrong structured output
Pricing
Input / 1M$15.00$0.80
Output / 1M$75.00$4.00
Context1.0M200K
Max output64K16K
LicenseProprietaryProprietary
Released2026-03-122025-10-01
Benchmarks
LMSYS ELO1412.01305.0
MMLU Pro92.881.4
HumanEval94.487.0
SWE-Bench72.149.2
MATH89.376.8
GPQA66.4
MMMU79.2
IFEval92.187.3
Per-task cost
Summarize a 1-hour meeting transcript$0.263$0.014
Review a 500-line pull request$0.270$0.014
Answer a customer support ticket$0.105$0.0056
Extract structured data from a resume$0.150$0.0080
Debug a stack trace with context$0.240$0.013

Per-call cost using published token counts for each task. Real-world prompts vary.