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Claude Haiku 4.5 vs R1

List-price comparison · Claude Haiku 4.5 details · R1 details

For a typical workload (100,000 requests / mo), R1 costs 43% less $184.00/mo vs $320.00/mo.

 Claude Haiku 4.5R1
Input / 1M tokens$1.00$0.700
Output / 1M tokens$5.00$2.50
Typical request (1,200 in + 400 out)$0.0032$0.0018
Context window200k tokens163,840 tokens
Max output64k tokens16k tokens
TierFlashBalanced
ProviderAnthropicDeepSeek

Projected monthly cost

Rows open both models in the calculator — adjust volume and token counts there.

Claude Haiku 4.5

Very low latency for high-volume, simple tasks — classification, short summaries, and lightweight chat where response time matters more than depth.

Noticeably weaker on multi-step reasoning and long-context synthesis; pairing with a larger model for escalation is common.

R1

Auto-synced from OpenRouter — no editorial write-up yet.

More comparisons

Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.