Claude Haiku 5.5 vs Nemotron 3 Ultra 550B A55B

Claude Haiku 5.5 and Nemotron 3 Ultra 550B A55B are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

Claude Haiku 5.5, from Anthropic, has a 1,000,000-token context window, costs from $0.10/1M input and $0.50/1M output tokens across 3 providers and scores 34.6 on the Artificial Analysis Intelligence Index.

Nemotron 3 Ultra 550B A55B, from NVIDIA, has a 262,144-token context window, costs $0.50/1M input and $2.20/1M output tokens and scores 11.8 on the Artificial Analysis Intelligence Index.

Claude Haiku 5.5 is the cheapest on input, 5× cheaper than the next model, Claude Haiku 5.5 has the largest context window and Claude Haiku 5.5 scores highest for intelligence.