Which is cheaper, Nemotron 3.5 Super VL and GPT-6 Luna?

GPT-6 Luna has the lowest input price. Per 1M input tokens: Nemotron 3.5 Super VL from $0.15 and GPT-6 Luna from $0.10.

Which has the larger context window, Nemotron 3.5 Super VL and GPT-6 Luna?

GPT-6 Luna has the largest context window: Nemotron 3.5 Super VL 262,144 tokens and GPT-6 Luna 400,000 tokens.

Which is smarter, Nemotron 3.5 Super VL and GPT-6 Luna?

GPT-6 Luna scores highest on the Artificial Analysis Intelligence Index: Nemotron 3.5 Super VL 13.6 and GPT-6 Luna 27.9.

Can I switch between Nemotron 3.5 Super VL and GPT-6 Luna 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 (nvidia/nemotron-3.5-super-vl, openai/gpt-6-luna).

Nemotron 3.5 Super VL vs GPT-6 Luna

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

Estimate monthly cost for these models

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

GPT-6 Luna OpenAIopenai/gpt-6-luna

Creator

NVIDIA

OpenAI

Released

Sep 16, 2026

Sep 22, 2026

Context window

262K

400K

Max output

131K

128K

Input / 1MLowest provider price

$0.15

$0.10

Output / 1MLowest provider price

$0.50

Providers

IntelligenceArtificial Analysis index

13.6

27.9

Accepts

Text, Image, Video

Files, Image, Text

Produces

Text

Tool calling

Yes

Structured output

Yes

Reasoning

Yes

Nemotron 3.5 Super VL vs GPT-6 Luna: summary

Nemotron 3.5 Super VL and GPT-6 Luna are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

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.

GPT-6 Luna, from OpenAI, has a 400,000-token context window, costs $0.10/1M input and $0.50/1M output tokens and scores 27.9 on the Artificial Analysis Intelligence Index.

GPT-6 Luna is the cheapest on input, 1.5× cheaper than the next model, GPT-6 Luna has the largest context window and GPT-6 Luna 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="nvidia/nemotron-3.5-super-vl", messages=[...]) # or client.chat.completions.create(model="openai/gpt-6-luna", messages=[...])

Full API docs

Frequently asked questions

More comparisons

Benchmark scores sourced from ArtificialAnalysis