Comparison

Claude Haiku 4.5 vs Gemini 3.5 Flash

Per input token, Claude Haiku 4.5 runs 33% cheaper than Gemini 3.5 Flash. On generated (output) tokens, Gemini 3.5 Flash costs 44% more than Claude Haiku 4.5. Gemini 3.5 Flash accepts more context per request than Claude Haiku 4.5.

FieldClaude Haiku 4.5
Gemini 3.5 Flash
ProviderAnthropicGoogle
Context window200K1M
Max output64K65.5K
Input / 1M$1.0033% cheaper$1.50
Output / 1M$5.0044% cheaper$9.00
Cached input / 1M$0.1033% cheaper$0.15
Batch discount50%50%
Release date2025-10-01

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadClaude Haiku 4.5Gemini 3.5 Flash

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$180.00cheaper$300.00

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$285.00cheaper$459.00

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$137.50cheaper$217.50

Claude Haiku 4.5 vs Gemini 3.5 Flash FAQ

Is Claude Haiku 4.5 cheaper than Gemini 3.5 Flash?
Claude Haiku 4.5 costs $1.00 per 1M input tokens versus $1.50 for Gemini 3.5 Flash — Claude Haiku 4.5 is 33% cheaper per input token.
Which is cheaper for output tokens, Claude Haiku 4.5 or Gemini 3.5 Flash?
Claude Haiku 4.5 charges $5.00 per 1M output tokens; Gemini 3.5 Flash charges $9.00 per 1M output tokens.
Which has the larger context window, Claude Haiku 4.5 or Gemini 3.5 Flash?
Gemini 3.5 Flash does, with a 1,048,576-token context window.
Do Claude Haiku 4.5 and Gemini 3.5 Flash offer cache pricing?
Claude Haiku 4.5 discounts cached input to $0.10 per 1M tokens. Gemini 3.5 Flash discounts cached input to $0.15 per 1M tokens.

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