Claude Haiku 5.5 vs Gemini 3.1 Pro Preview

Price, context window & benchmark comparison

Claude Haiku 5.5

Anthropic

$0.10 / $0.50

Input / Output · per 1M tokens

Gemini 3.1 Pro Preview

Google

$2.00 / $12.00

Input / Output · per 1M tokens

Compare different models

Verdict: Claude Haiku 5.5 is 22.5× cheaper than Gemini 3.1 Pro Preview on a typical 3:1 input/output mix. Gemini 3.1 Pro Preview has the larger context window (1M vs 1M).

	Claude Haiku 5.5	Gemini 3.1 Pro Preview
Input price / 1M	$0.10	$2.00
Output price / 1M	$0.50	$12.00
Blended price (3:1)	$0.20	$4.50
Cached input / 1M	$0.01	$0.20
Context window	1M	1M
Max output	128K	66K
Intelligence index	36.5	—
Coding index	—	68.8
Providers	10	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-10-07	2026-02-19
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Claude Haiku 5.5 or Gemini 3.1 Pro Preview?

Claude Haiku 5.5 is 22.5× cheaper than Gemini 3.1 Pro Preview on a typical 3:1 input/output mix.

Claude Haiku 5.5 vs Gemini 3.1 Pro Preview: which has a bigger context window?

Claude Haiku 5.5: 1,000,000 tokens. Gemini 3.1 Pro Preview: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Haiku 5.5 ≈ $450.00, Gemini 3.1 Pro Preview ≈ $10,000.

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