Model comparison

Claude Haiku 4.5 vs Claude Opus 5.5

Compare Claude Haiku 4.5 (Anthropic) and Claude Opus 5.5 (Anthropic) by price, context, capabilities, and latency.

Which should you pick?

  • Price: Claude Haiku 4.5 is cheaper ($1 / 1M tokens input / $5 / 1M tokens output) vs Claude Opus 5.5 ($4 / 1M tokens input / $20 / 1M tokens output).
  • Context: Claude Opus 5.5 has the larger context window (1M tokens).

Side by side

Claude Haiku 4.5 vs Claude Opus 5.5 — full comparison

Compare price, provider, context, capabilities, latency, and source basis.

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
Claude Haiku 4.5anthropic/claude-haiku-4.5Anthropic$1 / 1M tokens$5 / 1M tokens200k
StreamingTool callingJSON modeVision
image understanding, multimodal chat1327-2183msCatalogPlatform curated
Claude Opus 5.5anthropic/claude-opus-5.5Anthropic$4 / 1M tokens$20 / 1M tokens1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat1845-5119msCatalogPlatform curated

FAQ

Claude Haiku 4.5 vs Claude Opus 5.5 FAQ

Is Claude Haiku 4.5 or Claude Opus 5.5 cheaper?

Claude Haiku 4.5 is cheaper ($1 / 1M tokens input / $5 / 1M tokens output) vs Claude Opus 5.5 ($4 / 1M tokens input / $20 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, Claude Haiku 4.5 or Claude Opus 5.5?

Claude Opus 5.5 is larger (1M tokens) vs 200k tokens.

Claude Haiku 4.5 vs Claude Opus 5.5 for Vision: which should I pick?

Both target Vision. Pick Claude Haiku 4.5 to optimize cost, or Claude Opus 5.5 for the longer context window. Test both on real prompts before committing production traffic.