Gemini Omni 1.2 Flash vs gpt-oss-20b

Price, context window & benchmark comparison

Google

Gemini Omni 1.2 Flash

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

gpt-oss-20b

OpenAI
$0.03 / $0.13
Input / Output · per 1M tokens
Compare different models
Google
OpenAI
Verdict: gpt-oss-20b is 61.4× cheaper than Gemini Omni 1.2 Flash on a typical 3:1 input/output mix.
Gemini Omni 1.2 Flashgpt-oss-20b
Input price / 1M$1.50$0.03
Output price / 1M$9.00$0.13
Blended price (3:1)$3.38$0.055
Cached input / 1M—$0.03
Context window131K131K
Max output66K118K
Intelligence index——
Coding index—20.7
Providers1—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingNoYes
Released2026-11-052025-08-05
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini Omni 1.2 Flash or gpt-oss-20b?

gpt-oss-20b is 61.4× cheaper than Gemini Omni 1.2 Flash on a typical 3:1 input/output mix.

Gemini Omni 1.2 Flash vs gpt-oss-20b: which has a bigger context window?

Gemini Omni 1.2 Flash: 131,072 tokens. gpt-oss-20b: 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini Omni 1.2 Flash ≈ $7,500, gpt-oss-20b ≈ $125.00.

More comparisons