Gemini 3.1 Pro Preview Custom Tools vs Qwen3.8 Omni Flash

Price, context window & benchmark comparison

Gemini 3.1 Pro Preview Custom Tools

Google

$2.00 / $12.00

Input / Output · per 1M tokens

Qwen3.8 Omni Flash

Qwen (Alibaba)

$0.15 / $0.47

Input / Output · per 1M tokens

Compare different models

Verdict: Qwen3.8 Omni Flash is 19.6× cheaper than Gemini 3.1 Pro Preview Custom Tools on a typical 3:1 input/output mix. Gemini 3.1 Pro Preview Custom Tools has the larger context window (1M vs 1M).

	Gemini 3.1 Pro Preview Custom Tools	Qwen3.8 Omni Flash
Input price / 1M	$2.00	$0.15
Output price / 1M	$12.00	$0.47
Blended price (3:1)	$4.50	$0.23
Cached input / 1M	$0.20	$0.016
Context window	1M	1M
Max output	66K	131K
Intelligence index	—	—
Coding index	—	—
Providers	—	1
Best provider uptime (30m)	—	100.0%
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-02-25	2026-09-21
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Gemini 3.1 Pro Preview Custom Tools or Qwen3.8 Omni Flash?

Qwen3.8 Omni Flash is 19.6× cheaper than Gemini 3.1 Pro Preview Custom Tools on a typical 3:1 input/output mix.

Gemini 3.1 Pro Preview Custom Tools vs Qwen3.8 Omni Flash: which has a bigger context window?

Gemini 3.1 Pro Preview Custom Tools: 1,048,576 tokens. Qwen3.8 Omni Flash: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 3.1 Pro Preview Custom Tools ≈ $10,000, Qwen3.8 Omni Flash ≈ $535.00.

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