Kimi K3.1 Pro vs Nemotron 3.5 Lightning

Price, context window & benchmark comparison

Kimi K3.1 Pro

Moonshot AI

$2.00 / $10.00

Input / Output · per 1M tokens

Nemotron 3.5 Lightning

NVIDIA

$0.07 / $0.20

Input / Output · per 1M tokens

Compare different models

Verdict: Nemotron 3.5 Lightning is 39.0× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix. Kimi K3.1 Pro scores higher on the Artificial Analysis Intelligence Index (46.5 vs 5.5). Kimi K3.1 Pro has the larger context window (1M vs 262K).

	Kimi K3.1 Pro	Nemotron 3.5 Lightning
Input price / 1M	$2.00	$0.07
Output price / 1M	$10.00	$0.20
Blended price (3:1)	$4.00	$0.10
Cached input / 1M	$0.20	$0.04
Context window	1M	262K
Max output	944K	236K
Intelligence index	46.5	5.5
Coding index	—	26.8
Providers	23	5
Best provider uptime (30m)	100.0%	100.0%
Vision input	Yes	No
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-10-23	2026-08-11
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Kimi K3.1 Pro or Nemotron 3.5 Lightning?

Nemotron 3.5 Lightning is 39.0× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.

Kimi K3.1 Pro vs Nemotron 3.5 Lightning: which has a bigger context window?

Kimi K3.1 Pro: 1,048,576 tokens. Nemotron 3.5 Lightning: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Kimi K3.1 Pro ≈ $9,000, Nemotron 3.5 Lightning ≈ $240.00.

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