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Nemotron 3.5 Lightning (free)

nvidia·nvidia/nemotron-3.5-lightning-free·GA·Open weights·nemotron series·NEW
Nemotron model for efficient reasoning, coding, and specialized AI agents

Specs & pricing

Input / output per 1M tokens
Reference price·OpenRouter
$0 / $0
Blended $0 · Cache read —
Lowest paid
No paid channels
3 more $0 channels
Context
1,000,000
Output limit
65,536
Knowledge cutoff
—
Released / updated
2026-08-11 / 2026-08-11
Capabilities
✓ Reasoning✓ Tool useStructured output✓ TemperatureAttachments
Modalities
Text

Available at 3 providers0 with public prices · 3 free

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
OpenRouter
nvidia/nemotron-3.5-lightning:free
GatewayFree——1,000,00065,536
OpenCode ZenGatewayFree$0—262,144 ⚠262,144
Kilo Gateway
nvidia/nemotron-3.5-lightning:free
GatewayFree——1,000,00065,536

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Reasoning control

Toggle (on / off)effort = noneeffort = high

Interleaved thinking (reasoning between tool calls) is declared by 1 of 3 providers.

1 / 3 providers expose no reasoning control (reasoning_options: []).

Your usage cost

This model is $0 across all listed channels (OpenRouter, OpenCode Zen, Kilo Gateway).

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$0.0001$02026-08-122026-08-132026-08-12 · Input list $02026-08-13 · Input list $02026-08-12 · Output list $02026-08-13 · Output list $0

Related models

Nemotron 3.5 Lightning 30B A3Bsame series$0 / $0Nemotron 3.5 Lightningsame series$0.07 / $0.20Nvidia Nemotron 3.5 Lightning Thinkingsame series$0.05 / $0.20
Data partly from models.dev (MIT) · OpenRouter official docs ↗