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Claude Haiku 4.5 vs Gemini 2.5 Flash

List-price comparison · Claude Haiku 4.5 details · Gemini 2.5 Flash details

For a typical workload (100,000 requests / mo), Gemini 2.5 Flash costs 57% less $136.00/mo vs $320.00/mo.

 Claude Haiku 4.5Gemini 2.5 Flash
Input / 1M tokens$1.00$0.300
Output / 1M tokens$5.00$2.50
Typical request (1,200 in + 400 out)$0.0032$0.0014
Context window200k tokens1,048,576 tokens
Max output64k tokens65,535 tokens
TierFlashBalanced
ProviderAnthropicGoogle

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.

Gemini 2.5 Flash

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

More comparisons

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