DeepSeek V3.1 Terminus vs Qwen3.8 Omni Flash

Price, context window & benchmark comparison

DeepSeek V3.1 Terminus

DeepSeek

$0.27 / $1.00

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 2.0× cheaper than DeepSeek V3.1 Terminus on a typical 3:1 input/output mix. Qwen3.8 Omni Flash has the larger context window (1M vs 164K).

	DeepSeek V3.1 Terminus	Qwen3.8 Omni Flash
Input price / 1M	$0.27	$0.15
Output price / 1M	$1.00	$0.47
Blended price (3:1)	$0.45	$0.23
Cached input / 1M	$0.14	$0.016
Context window	164K	1M
Max output	33K	131K
Intelligence index	14.8	—
Coding index	43.5	—
Providers	—	1
Best provider uptime (30m)	—	100.0%
Vision input	No	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2025-09-22	2026-09-21
Retirement	2026-09-28	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V3.1 Terminus or Qwen3.8 Omni Flash?

Qwen3.8 Omni Flash is 2.0× cheaper than DeepSeek V3.1 Terminus on a typical 3:1 input/output mix.

DeepSeek V3.1 Terminus vs Qwen3.8 Omni Flash: which has a bigger context window?

DeepSeek V3.1 Terminus: 163,840 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: DeepSeek V3.1 Terminus ≈ $1,040, Qwen3.8 Omni Flash ≈ $535.00.

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