Qwen3.5 400B VLM by NVIDIA NIM

Free coding model via NVIDIA NIM (tier S, SWE-bench ~68%).

Access
Free API tier
Free limits
Free tier
Modality
code, text
Credit card
Not required
Commercial use
Unclear, verify
Context window
128,000 tokens
Model ID
qwen/qwen3.5-397b-a17b
Checked
Jun 26, 2026

Benchmarks

LMArena text Elo
1438 · LMArena, Nov 11 2026
Tested as Qwen3.5-397B-A17B · leaderboard published 2026-11-09
LMArena text rank
#83 of 421 · LMArena, Nov 11 2026
Tested as Qwen3.5-397B-A17B

Numbers are copied from the linked public leaderboards for this exact model and version. The free endpoint can run a different reasoning setting or quantization than the tested one.

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Frequently asked

Is Qwen3.5 400B VLM free?

Yes. NVIDIA NIM offers it as Free API tier with these limits: Free tier. No credit card is required.

Can I use Qwen3.5 400B VLM commercially?

Commercial terms are not clearly documented. Check the provider's current terms before shipping.

How do I start using Qwen3.5 400B VLM?

Free coding model via NVIDIA NIM (tier S, SWE-bench ~68%).

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