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Compare/Gemini 2.5 Pro vs Gemini 3.1 Pro Preview

Gemini 2.5 Pro vs Gemini 3.1 Pro Preview

GoogleActive

Gemini 2.5 Pro

$0.87 / $7.00 · 1,065,535 ctx · 31 providers
GoogleActive

Gemini 3.1 Pro Preview

$1.00 / $6.00 · 1,048,576 ctx · 27 providers
01Differences

At a glance

Computed automatically from tracked data.

• Gemini 2.5 Pro's input price is 15% higher than Gemini 3.1 Pro Preview's ($0.87 vs $1.00 per 1M).
• Gemini 2.5 Pro's output price is 14% lower than Gemini 3.1 Pro Preview's ($7.00 vs $6.00 per 1M).
• Gemini 2.5 Pro has a 1× larger context window (1,065,535 vs 1,048,576 tokens).
02Specs

Side by side

Gemini 2.5 ProGemini 3.1 Pro Preview
Input / 1M$0.87$1.00
Output / 1M$7.00$6.00
Context1,065,5351,048,576
Max output65,53665,536
Providers3127
Released2025-06-172026-02-19
03Prices

Common providers

ProviderGemini 2.5 ProGemini 3.1 Pro Preview
302ai$1.25 / $10.00$2.00 / $12.00
abacus$1.25 / $10.00$2.00 / $12.00
aihubmix$1.25 / $10.00$2.00 / $12.00
auriko$1.25 / $10.00$2.00 / $12.00
crossmodel$1.25 / $10.00$2.00 / $12.00
fastrouter$1.25 / $10.00$2.00 / $12.00
frogbot$1.25 / $10.00$2.00 / $12.00
google$1.25 / $10.00$2.00 / $12.00
google-vertex$1.25 / $10.00$2.00 / $12.00
impossibl$1.25 / $10.00$2.00 / $12.00
kilo$1.25 / $10.00$1.00 / $6.00
llmgateway$1.25 / $10.00$2.00 / $12.00
04History

Recent changes

Gemini 2.5 Pro
2026-09-05 — Context nano-gpt
2026-09-01 — Added requesty
2026-08-27 — Price cut orcarouter
2026-08-27 — Price cut orcarouter
2026-08-20 — Added llmgateway-providers
Gemini 3.1 Pro Preview
2026-09-08 — Added 302ai
2026-09-05 — Context nano-gpt
2026-09-04 — Removed github-copilot
2026-08-31 — Price cut kilo
2026-08-31 — Price cut kilo
as of 2026-09-16
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