Is Llama-3.1-Nemotron-Ultra-253B-v1 or Qwen3.5-397B-A17B cheaper?

Llama-3.1-Nemotron-Ultra-253B-v1 is cheaper on output tokens ($1.80 vs $3.60 per 1M).

Which has the larger context window, Llama-3.1-Nemotron-Ultra-253B-v1 or Qwen3.5-397B-A17B?

Qwen3.5-397B-A17B has the larger context window (262K tokens).

Llama-3.1-Nemotron-Ultra-253B-v1 vs Qwen3.5-397B-A17B

Llama-3.1-Nemotron-Ultra-253B-v1 is cheaper on output tokens, while Qwen3.5-397B-A17B offers a larger context window. Choose Llama-3.1-Nemotron-Ultra-253B-v1 or Qwen3.5-397B-A17B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Llama-3.1-Nemotron-Ultra-253B-v1	Qwen3.5-397B-A17B
Provider	Nebius Token Factory	Nebius Token Factory
Input / 1M tokens	$0.60	$0.60
Output / 1M tokens	$1.80	$3.60
Context window	128K	262K
Parameters	—	397B
Open weights	Yes	Yes
Released	Jan 2025	Jul 2025

Llama-3.1-Nemotron-Ultra-253B-v1 details →Qwen3.5-397B-A17B details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.