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Compare/Gemini 3.1 Pro Preview vs o3-mini

Gemini 3.1 Pro Preview vs o3-mini

GoogleActive

Gemini 3.1 Pro Preview

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

o3-mini

$0.99 / $4.00 · 200,000 ctx · 20 providers
01Differences

At a glance

Computed automatically from tracked data.

• Gemini 3.1 Pro Preview's input price is 1% lower than o3-mini's ($1.00 vs $0.99 per 1M).
• Gemini 3.1 Pro Preview's output price is 33% lower than o3-mini's ($6.00 vs $4.00 per 1M).
• Gemini 3.1 Pro Preview has a 5.2× larger context window (1,048,576 vs 200,000 tokens).
02Specs

Side by side

Gemini 3.1 Pro Previewo3-mini
Input / 1M$1.00$0.99
Output / 1M$6.00$4.00
Context1,048,576200,000
Max output65,536131,072
Providers2720
Released2026-02-192024-12-20
03Prices

Common providers

ProviderGemini 3.1 Pro Previewo3-mini
abacus$2.00 / $12.00$1.10 / $4.40
edenai$2.00 / $12.00$1.10 / $4.40
impossibl$2.00 / $12.00$1.10 / $4.40
kilo$1.00 / $6.00$1.10 / $4.40
llmgateway$2.00 / $12.00$1.10 / $4.40
llmgateway-providers$2.00 / $12.00$1.10 / $4.40
merge-gateway$2.00 / $12.00$1.10 / $4.40
nano-gpt$2.00 / $12.00$1.10 / $4.40
openrouter$2.00 / $12.00$1.10 / $4.40
vercel$2.00 / $12.00$1.10 / $4.40
04History

Recent changes

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
o3-mini
2026-09-09 — Removed nano-gpt
2026-08-24 — Context cloudflare-ai-gateway
2026-08-24 — Status cloudflare-ai-gateway
2026-08-20 — Added llmgateway-providers
2026-08-20 — Added llmgateway-providers
as of 2026-09-16
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