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NVIDIA

Nemotron 3.5 Lightning

FTI
3–8

5 sources, 3 independent of the vendor: centre 6; the sources disagree widely, so shown as a band.

how FTI is computed

5 sources · between #56 and #68 of the 72 with an FTI score
Context1Mtokens
Imagesnoimage input
Free now4 of 5channels
Tested by us2 of 5channels measured

Where it's free now 5 channels tracked

Kilo Code live
no end announced
free since Aug 11
works · Oct 2010 parallel
Checked Oct 27 · catalogue
OpenRouter live
no end announced
free since Aug 11
Checked Oct 27 · catalogue
Cline ended
ended 23 days ago
Oct 11
works · Oct 7
Checked Oct 11 · API call

Free periods one bar per channel; markers are events

free so farpast announced endofficial end aheadinferred end aheadno end announcedended / not answering● event · ◆ end announced · tap one to see it

What happened newest first · times link to the source

Wed, Oct 1420 days ago
became availableNemotron 3.5 Lightning · Vercel AI Gatewaylisted
Nemotron 3.5 Lightning Free joins Vercel AI Gateway at $0 input and $0 output, 1M context and 65K max output, release date 10/14/2026; the provider may retain prompts and responses for model improvement
Source: Vercel AI Gateway models API and model page
Sun, Oct 1123 days ago
endedDots3-Note Preview · Clineended North Mini Code · Clineended Ling 3.0 Flash Sante · Clineended Nemotron 3 Nano Omni 30B A3B (reasoning) · Clineended Nemotron 3 Super · Clineended Nemotron 3 Ultra (550B-A55B) · Clineended Nemotron 3.5 Lightning · Clineended Laguna S 2.1 · Clineended Laguna XS 2.1 · Clineended LFM 2.5 2.6B · Clineended Apodex 1.1 Mini · Clineended Gemma 4 26B A4B · Clineended Gemma 4 31B · Clineended Inkling Small · Clineended Inkling · Clineended Kimi K3 · Clineended
Cline free promotion ended: API returns "Free model promotion ended"; models removed from Cline recommended models catalogue
Source: Cline API and CLI check
Tue, Oct 628 days ago
became availableDots3-Note Preview · Kilo Codelive Laguna S 2.1 · Kilo Codeended Ling 3.1 Flash · Kilo Codeended Nemotron 3 Super · Kilo Codenot answering Nemotron 3 Ultra (550B-A55B) · Kilo Codelive Apodex 1.1 Mini · Kilo Codeended North Mini Code · Kilo Codelive Ling 3.0 Flash Sante · Kilo Codeended LFM 2.5 2.6B · Kilo Codelive Nemotron 3 Nano Omni 30B A3B (reasoning) · Kilo Codelive Nemotron 3.5 Lightning · Kilo Codelive Laguna XS 2.1 · Kilo Codeended Step 3.7 Flash · Kilo Codeended
Answered a test prompt through the Kilo CLI (7.8.3, roll-call) without signing in
Source: own check
became availableNorth Mini Code · Clineended Ling 3.0 Flash Sante · Clineended Nemotron 3 Nano Omni 30B A3B (reasoning) · Clineended Nemotron 3 Super · Clineended Nemotron 3 Ultra (550B-A55B) · Clineended Nemotron 3.5 Lightning · Clineended Laguna S 2.1 · Clineended Laguna XS 2.1 · Clineended LFM 2.5 2.6B · Clineended
Answered a test prompt in the Cline CLI (3.0.68, signed in, plan mode)
Source: own check
became availableSpace Bunny (stealth) · OpenCode Zenended LongCat 2.5 Preview · OpenCode Zenended Ling 3.1 Flash · OpenCode Zenended Nemotron 3.5 Lightning · OpenCode Zenlive Fledge Alpha · OpenCode Zenended
Answered a test prompt through the OpenCode CLI (opencode run) with no account
Source: own check
Tue, Aug 11
listedNemotron 3.5 Lightning · OpenRouterlive
Listed on OpenRouter as nvidia/nemotron-3.5-lightning:free at $0 (OpenRouter's catalogue record date)
Source: OpenRouter model page
listedNemotron 3.5 Lightning · Kilo Codelive
First seen in Kilo's model catalogue (models.dev sync): Nemotron 3.5 Lightning
Source: models.dev commit
listedNemotron 3.5 Lightning · Clineended
Added to Cline's model list: Nemotron 3.5 Lightning
Source: Cline repo commit
listedNemotron 3.5 Lightning · OpenCode Zenlive
Added to the Zen model docs: Nemotron 3.5 Lightning
Source: OpenCode repo commit

Channel details

Kilo Code live✓ humans✓ agents

Tested by us
works · Oct 2010 parallel
ⓘ10-20: single anonymous call answered, cost 0 · checked Oct 20
Model ID
nvidia/nemotron-3.5-lightning:free
To start
$0 · no account ":free" models answered in the Kilo CLI without signing in (our test, Oct 6); other models need a Kilo account; non-":free" models answer 401 without sign-in (PAID_MODEL_AUTH_REQUIRED, seen 2026-10-16)
Use it
API · OpenAI chat
Free condition
Kilo account; $0 per token on Kilo's model list; works without signing in (Kilo Gateway ":free" model)
Limit (stated)
not published
Started
Aug 11
End
no end announced free since Aug 11
Data policy
may train
Channel type
agent tool
Checked
Oct 27 · catalogue

Cline ended✕ humans✕ agents

Tested by us
works · Oct 7
ⓘchecked Oct 7
Model ID
nvidia/nemotron-3.5-lightning:free
To start
$0 · account Free models need a Cline account and run inside the Cline CLI or IDE extension
Use it
CLI onlyhuman only
Free condition
Cline account, inside the Cline CLI or IDE extension; not through the Cline API
Limit (stated)
not published
Started
Aug 11
End
ended 23 days ago Oct 11
Data policy
may train
Channel type
agent tool
Checked
Oct 11 · API call

OpenRouter live✓ humans✓ agents

Tested by us
not measured
Model ID
nvidia/nemotron-3.5-lightning:free
To start
$0 · account Free plan: 50 requests/day
Use it
API · 3 formats
Free condition
OpenRouter account and API key; models marked :free cost $0
Limit (stated)
50/day
ⓘ1000/day once 10+ credits have been bought
Started
Aug 11
End
no end announced free since Aug 11
Data policy
may train
Channel type
router
Checked
Oct 27 · catalogue

OpenCode Zen live✓ humans✓ agents

Tested by us
not measured
Model ID
opencode/nemotron-3.5-lightning-free
To start
$0 · no account Free models run inside the OpenCode app with no account; the Zen API key route needs billing details
Use it
CLI only
Free condition
Inside the OpenCode app, no account; the raw API refuses free models (403 FreeTierError)
Limit (stated)
not published
Started
Aug 11
End
no end announced free since Aug 11
Data policy
may train
Channel type
agent tool
Checked
Oct 27 · catalogue

Vercel AI Gateway listed✓ humans✓ agents

Tested by us
not measured
Model ID
nvidia/nemotron-3.5-lightning-free
To start
$0 · account Vercel account; free models plus $5/month gateway credit per team; a payment method may be required before use ("customer_verification_required")
Use it
API · 3 formats
Free condition
Vercel AI Gateway key; models marked Free
Limit (stated)
not published
ⓘlower per-model rate limits on the free tier
Started
Oct 14
End
no end announced free since Oct 14
Data policy
may train
Channel type
router
Checked
Nov 1 · catalogue