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Gemini 2.5 Pro vs Gemini 3.1 Flash-Lite

Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.

Benchmark data for one or both models is coming soon. This page currently shows metadata and pricing where BenchLM has it, and score-level comparisons will populate as public benchmark results land.

Gemini 2.5 Pro

66

VS

Gemini 3.1 Flash-Lite

51

0 categoriesvs0 categories

Benchmark data for Gemini 2.5 Pro and Gemini 3.1 Flash-Lite is coming soon on BenchLM.

Category Radar

Head-to-Head by Category

Operational Comparison

Gemini 2.5 Pro

Gemini 3.1 Flash-Lite

Price (per 1M tokens)

$1.25 / $5

$0.1 / $0.4

Speed

117 t/s

205 t/s

Latency (TTFT)

21.19s

7.50s

Context Window

1M

1M

Quick Verdict

Benchmark data for Gemini 2.5 Pro and Gemini 3.1 Flash-Lite is coming soon on BenchLM.

BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.

Gemini 2.5 Pro is priced at $1.25 input / $5.00 output per 1M tokens, versus $0.10 input / $0.40 output per 1M tokens for Gemini 3.1 Flash-Lite.

Benchmark Deep Dive

Frequently Asked Questions (3)

Can I compare Gemini 2.5 Pro and Gemini 3.1 Flash-Lite on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Gemini 2.5 Pro and Gemini 3.1 Flash-Lite today?

Gemini 2.5 Pro: $1.25 input / $5.00 output per 1M tokens Gemini 3.1 Flash-Lite: $0.10 input / $0.40 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

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Last updated: April 22, 2026

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