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Compare/Gemini 3.5 Flash vs GPT-5.5

Gemini 3.5 Flash vs GPT-5.5

GoogleActive

Gemini 3.5 Flash

$0.19 / $1.11 · 1,048,576 ctx · 33 providers
OpenAIActive

GPT-5.5

$0.19 / $1.13 · 1,050,000 ctx · 45 providers
01Differences

At a glance

Computed automatically from tracked data.

• Gemini 3.5 Flash's input price is 1% higher than GPT-5.5's ($0.19 vs $0.19 per 1M).
• Gemini 3.5 Flash's output price is 1% higher than GPT-5.5's ($1.11 vs $1.13 per 1M).
• GPT-5.5 has a 1× larger context window (1,050,000 vs 1,048,576 tokens).
02Specs

Side by side

Gemini 3.5 FlashGPT-5.5
Input / 1M$0.19$0.19
Output / 1M$1.11$1.13
Context1,048,5761,050,000
Max output128,000128,000
Providers3345
Released2026-05-192026-04-23
03Prices

Common providers

ProviderGemini 3.5 FlashGPT-5.5
302ai$1.50 / $9.00$5.00 / $30.00
abacus$1.50 / $9.00$5.00 / $30.00
aihubmix$1.50 / $9.00$5.00 / $30.00
crossmodel$1.50 / $9.00$5.00 / $30.00
edenai$1.50 / $9.00$5.00 / $30.00
fastrouter$1.50 / $9.00$5.00 / $30.00
github-copilot$1.50 / $9.00$5.00 / $30.00
impossibl$1.50 / $9.00$5.00 / $30.00
kenariNot listed / Not listedNot listed / Not listed
kilo$0.75 / $4.50$5.00 / $30.00
llmgateway$1.50 / $9.00$5.00 / $30.00
llmgateway-providers$1.50 / $9.00$5.00 / $30.00
04History

Recent changes

Gemini 3.5 Flash
2026-09-08 — Added 302ai
2026-09-08 — Added 302ai
2026-09-02 — Context cortecs
2026-08-31 — Price cut kilo
2026-08-31 — Price cut kilo
GPT-5.5
2026-09-10 — Context amazon-bedrock
2026-09-08 — Added 302ai
2026-09-06 — Context nano-gpt
2026-08-27 — Price up requesty
2026-08-27 — Price up requesty
as of 2026-09-16
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