Which is cheaper, Kimi K3.1 Pro and Nemotron 3.5 Super VL?

Nemotron 3.5 Super VL has the lowest input price. Per 1M input tokens: Kimi K3.1 Pro from $2.00 and Nemotron 3.5 Super VL from $0.15.

Which has the larger context window, Kimi K3.1 Pro and Nemotron 3.5 Super VL?

Kimi K3.1 Pro has the largest context window: Kimi K3.1 Pro 1,048,576 tokens and Nemotron 3.5 Super VL 262,144 tokens.

Which is smarter, Kimi K3.1 Pro and Nemotron 3.5 Super VL?

Kimi K3.1 Pro scores highest on the Artificial Analysis Intelligence Index: Kimi K3.1 Pro 46.5 and Nemotron 3.5 Super VL 13.6.

Can I switch between Kimi K3.1 Pro and Nemotron 3.5 Super VL without changing my code?

Yes. All of them are served through FastRouter's OpenAI-compatible API, so switching is a change of the model parameter (moonshotai/kimi-k3.1-pro, nvidia/nemotron-3.5-super-vl).

Kimi K3.1 Pro vs Nemotron 3.5 Super VL

Side-by-side pricing per provider, context window, benchmark scores and speed, all on one OpenAI-compatible API.

Estimate monthly cost for these models

Kimi K3.1 Pro MoonshotAImoonshotai/kimi-k3.1-pro

Nemotron 3.5 Super VL NVIDIAnvidia/nemotron-3.5-super-vl

Creator

MoonshotAI

NVIDIA

Released

Oct 23, 2026

Sep 16, 2026

Context window

1.05M

262K

Max output

1.05M

131K

Input / 1MLowest provider price

$2.00

$0.15

Output / 1MLowest provider price

$10.00

$0.50

Providers

IntelligenceArtificial Analysis index

46.5

13.6

Accepts

Text, Image

Text, Image, Video

Produces

Text

Tool calling

Yes

Structured output

Yes

Reasoning

Yes

Kimi K3.1 Pro vs Nemotron 3.5 Super VL: summary

Kimi K3.1 Pro and Nemotron 3.5 Super VL are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

Kimi K3.1 Pro, from MoonshotAI, has a 1,048,576-token context window, costs $2.00/1M input and $10.00/1M output tokens and scores 46.5 on the Artificial Analysis Intelligence Index.

Nemotron 3.5 Super VL, from NVIDIA, has a 262,144-token context window, costs $0.15/1M input and $0.50/1M output tokens and scores 13.6 on the Artificial Analysis Intelligence Index.

Nemotron 3.5 Super VL is the cheapest on input, 13× cheaper than the next model, Kimi K3.1 Pro has the largest context window and Kimi K3.1 Pro scores highest for intelligence.

Switch with one line

client = OpenAI(base_url="https://api.fastrouter.ai/api/v1", api_key="<FASTROUTER_API_KEY>") client.chat.completions.create(model="moonshotai/kimi-k3.1-pro", messages=[...]) # or client.chat.completions.create(model="nvidia/nemotron-3.5-super-vl", messages=[...])

Full API docs

Frequently asked questions

More comparisons

Benchmark scores sourced from ArtificialAnalysis