DeepSeek V3.1 Terminus vs Nemotron 3.5 Lightning

Price, context window & benchmark comparison

DeepSeek V3.1 Terminus

DeepSeek

$0.27 / $1.00

Input / Output · per 1M tokens

Nemotron 3.5 Lightning

NVIDIA

$0.08 / $0.20

Input / Output · per 1M tokens

Compare different models

Verdict: Nemotron 3.5 Lightning is 4.1× cheaper than DeepSeek V3.1 Terminus on a typical 3:1 input/output mix. DeepSeek V3.1 Terminus scores higher on the Artificial Analysis Intelligence Index (14.8 vs 12.9). Nemotron 3.5 Lightning has the larger context window (262K vs 164K).

	DeepSeek V3.1 Terminus	Nemotron 3.5 Lightning
Input price / 1M	$0.27	$0.08
Output price / 1M	$1.00	$0.20
Blended price (3:1)	$0.45	$0.11
Cached input / 1M	$0.14	$0.04
Context window	164K	262K
Max output	33K	131K
Intelligence index	14.8	12.9
Coding index	43.5	26.8
Providers	—	4
Best provider uptime (30m)	—	100.0%
Vision input	No	No
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2025-09-22	2026-08-11
Retirement	2026-09-28	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V3.1 Terminus or Nemotron 3.5 Lightning?

Nemotron 3.5 Lightning is 4.1× cheaper than DeepSeek V3.1 Terminus on a typical 3:1 input/output mix.

DeepSeek V3.1 Terminus vs Nemotron 3.5 Lightning: which has a bigger context window?

DeepSeek V3.1 Terminus: 163,840 tokens. Nemotron 3.5 Lightning: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V3.1 Terminus ≈ $1,040, Nemotron 3.5 Lightning ≈ $260.00.

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