Gemini Omni 1.2 Flash vs Sonar Reasoning Pro

Price, context window & benchmark comparison

Google

Gemini Omni 1.2 Flash

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

Sonar Reasoning Pro

Perplexity
$2.00 / $8.00
Input / Output · per 1M tokens
Compare different models
Google
Perplexity
Verdict: Gemini Omni 1.2 Flash is 4% cheaper than Sonar Reasoning Pro on a typical 3:1 input/output mix. Gemini Omni 1.2 Flash has the larger context window (131K vs 128K).
Gemini Omni 1.2 FlashSonar Reasoning Pro
Input price / 1M$1.50$2.00
Output price / 1M$9.00$8.00
Blended price (3:1)$3.38$3.50
Cached input / 1M——
Context window131K128K
Max output66K115K
Intelligence index——
Coding index——
Providers1—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingNoNo
Released2026-11-052025-03-07
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini Omni 1.2 Flash or Sonar Reasoning Pro?

Gemini Omni 1.2 Flash is 4% cheaper than Sonar Reasoning Pro on a typical 3:1 input/output mix.

Gemini Omni 1.2 Flash vs Sonar Reasoning Pro: which has a bigger context window?

Gemini Omni 1.2 Flash: 131,072 tokens. Sonar Reasoning Pro: 128,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini Omni 1.2 Flash ≈ $7,500, Sonar Reasoning Pro ≈ $8,000.

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