Gemini Omni 1.1 Flash vs GPT-5.4 Image 2

Price, context window & benchmark comparison

Google

Gemini Omni 1.1 Flash

Google
$1.50 / $9.00
Input / Output · per 1M tokens
VS
OpenAI

GPT-5.4 Image 2

OpenAI
$8.00 / $15.00
Input / Output · per 1M tokens
Compare different models
Google
OpenAI
Verdict: Gemini Omni 1.1 Flash is 2.9× cheaper than GPT-5.4 Image 2 on a typical 3:1 input/output mix. GPT-5.4 Image 2 has the larger context window (272K vs 131K).
Gemini Omni 1.1 FlashGPT-5.4 Image 2
Input price / 1M$1.50$8.00
Output price / 1M$9.00$15.00
Blended price (3:1)$3.38$9.75
Cached input / 1M—$2.00
Context window131K272K
Max output66K128K
Intelligence index——
Coding index——
Providers1—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingNoNo
Released2026-11-042026-04-21
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini Omni 1.1 Flash or GPT-5.4 Image 2?

Gemini Omni 1.1 Flash is 2.9× cheaper than GPT-5.4 Image 2 on a typical 3:1 input/output mix.

Gemini Omni 1.1 Flash vs GPT-5.4 Image 2: which has a bigger context window?

Gemini Omni 1.1 Flash: 131,072 tokens. GPT-5.4 Image 2: 272,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini Omni 1.1 Flash ≈ $7,500, GPT-5.4 Image 2 ≈ $23,500.

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