Comparison

Claude Haiku 4.5 vs Gemini 3.1 Pro Preview

Per input token, Claude Haiku 4.5 runs 50% cheaper than Gemini 3.1 Pro Preview. On generated (output) tokens, Gemini 3.1 Pro Preview costs 58% more than Claude Haiku 4.5.

FieldClaude Haiku 4.5
Gemini 3.1 Pro Preview
ProviderAnthropicGoogle
Context window200K
Max output64K
Input / 1M$1.0050% cheaper$2.00
Output / 1M$5.0058% cheaper$12.00
Cached input / 1M$0.1050% cheaper$0.20
Batch discount50%50%
Release date2025-10-01

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadClaude Haiku 4.5Gemini 3.1 Pro Preview

Chatbot

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

$180.00cheaper$400.00

RAG pipeline

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

$285.00cheaper$612.00

Batch summarization

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

$137.50cheaper$290.00

Claude Haiku 4.5 vs Gemini 3.1 Pro Preview FAQ

Is Claude Haiku 4.5 cheaper than Gemini 3.1 Pro Preview?
Claude Haiku 4.5 costs $1.00 per 1M input tokens versus $2.00 for Gemini 3.1 Pro Preview — Claude Haiku 4.5 is 50% cheaper per input token.
Which is cheaper for output tokens, Claude Haiku 4.5 or Gemini 3.1 Pro Preview?
Claude Haiku 4.5 charges $5.00 per 1M output tokens; Gemini 3.1 Pro Preview charges $12.00 per 1M output tokens.
Do Claude Haiku 4.5 and Gemini 3.1 Pro Preview offer cache pricing?
Claude Haiku 4.5 discounts cached input to $0.10 per 1M tokens. Gemini 3.1 Pro Preview discounts cached input to $0.20 per 1M tokens.

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