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Anthropic

Claude Haiku 4.5

VS
Google

Gemini 3.1 Pro

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, Gemini 3.1 Pro is the premium intelligence choice, scoring 14.7% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: Claude Haiku 4.5 is 2.3x cheaper to run. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, Claude Haiku 4.5 offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of Gemini 3.1 Pro fully justifies the cost.

Model Specs

Claude Haiku 4.5

Benchmarks & Scores

Coding (swe-bench-pro)
39.5%
Reasoning (gpqa-diamond)
73%

Cost & Performance

Cost (per 1M tokens)2.3x cheaper
$2.00Input: $1.00 | Output: $5.00
Speed
98.5 tps
Context Window
200k tokens
Model Specs

Gemini 3.1 Pro

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+14.7%)
54.2%
Reasoning (gpqa-diamond)Winner (+21.3%)
94.3%

Cost & Performance

Cost (per 1M tokens)
$4.50Input: $2.00 | Output: $12.00
Speed1.1x faster
109 tps
Context WindowLarger
1M tokens
Read our data collection methodology

Frequently Asked Questions

Claude Haiku 4.5 is cheaper than Gemini 3.1 Pro. Claude Haiku 4.5 has a blended cost of $2.00/1M tokens, which is about 2.3x cheaper than Gemini 3.1 Pro at $4.50/1M tokens.

Gemini 3.1 Pro is faster than Claude Haiku 4.5. Gemini 3.1 Pro generates 109 tokens per second (tps) compared to Claude Haiku 4.5 which generates 98.5 tokens per second.

Gemini 3.1 Pro is better for coding tasks. It scores 54.2% on coding evaluations (swe-bench-pro) compared to Claude Haiku 4.5 which scores 39.5%.

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