WHAT CHANGEDwas, and is now
| WAS | model id nvidia/nemotron-3-ultra-550b-a55b |
|---|---|
| IS NOW | model id tencent/hy4-preview |
| WHAT IT MEANS | The top-ranked model for Best coding model, $1 to $5 / M changed from nvidia/nemotron-3-ultra-550b-a55b to tencent/hy4-preview, measured on token volume through OpenRouter. |
| OCCURRED | 19 September 2026the day the change took effect, where the vendor said so |
| OBSERVED | 2026-09-19 09:09:07 UTCthe night this site read it and saw a difference |
| EVIDENCE | openrouter.ai |
HOW THIS WAS FOUNDhigh confidence
Derived from an API, a repository status or an ownership record, not a reading of a marketing page. Source: auto. Medium severity says how much it changes what the tool costs or what you get free.
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