Gemini Omni 1.1 Flash vs gpt-oss-120b

Price, context window & benchmark comparison

Google

Gemini Omni 1.1 Flash

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

gpt-oss-120b

OpenAI
$0.15 / $0.60
Input / Output · per 1M tokens
Compare different models
Google
OpenAI
Verdict: gpt-oss-120b is 12.9× cheaper than Gemini Omni 1.1 Flash on a typical 3:1 input/output mix.
Gemini Omni 1.1 Flashgpt-oss-120b
Input price / 1M$1.50$0.15
Output price / 1M$9.00$0.60
Blended price (3:1)$3.38$0.26
Cached input / 1M—$0.075
Context window131K131K
Max output66K66K
Intelligence index—3.8
Coding index—30.4
Providers1—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingNoYes
Released2026-11-042025-08-05
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini Omni 1.1 Flash or gpt-oss-120b?

gpt-oss-120b is 12.9× cheaper than Gemini Omni 1.1 Flash on a typical 3:1 input/output mix.

Gemini Omni 1.1 Flash vs gpt-oss-120b: which has a bigger context window?

Gemini Omni 1.1 Flash: 131,072 tokens. gpt-oss-120b: 131,072 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-oss-120b ≈ $600.00.

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