Is Nemotron 3 Ultra 550B A55B or OpenRouter: Fusion cheaper?

OpenRouter: Fusion is cheaper on output tokens ($-1,000,000.00 vs $2.20 per 1M).

Which has the larger context window, Nemotron 3 Ultra 550B A55B or OpenRouter: Fusion?

OpenRouter: Fusion has the larger context window (1M tokens).

Nemotron 3 Ultra 550B A55B vs OpenRouter: Fusion

OpenRouter: Fusion is cheaper on output tokens, while OpenRouter: Fusion offers a larger context window. Choose Nemotron 3 Ultra 550B A55B or OpenRouter: Fusion based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Nemotron 3 Ultra 550B A55B	OpenRouter: Fusion
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.50	$-1,000,000.00
Output / 1M tokens	$2.20	$-1,000,000.00
Context window	262K	1M
Parameters	—	—
Open weights	Yes	—
Released	Jun 2026	—

Nemotron 3 Ultra 550B A55B details →OpenRouter: Fusion details →

FAQ

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