Model thread

nvidia/nemotron-3-ultra-550b-a55b

model/openrouter:nvidia/nemotron-3-ultra-550b-a55b

Events

46

First event in the archive

30 August 2026 21:14 UTC origin

Last activity

11 October 2026 14:32 UTC origin

1. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000022" to "0.0000024".

   price_changed 11 October 2026 14:32 UTC origin · openrouter-models · 98221d1 · raw artifact at this commit

   modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

2. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000001" to "0.00000012".

   price_changed 11 October 2026 14:32 UTC origin · openrouter-models · 98221d1 · raw artifact at this commit

   modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

3. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000005" to "0.0000006".

   price_changed 11 October 2026 14:32 UTC origin · openrouter-models · 98221d1 · raw artifact at this commit

   modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

4. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000024" to "0.0000022".

   price_changed 2 October 2026 23:53 UTC origin · openrouter-models · a25338d · raw artifact at this commit

   modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

5. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.00000012" to "0.0000001".

   price_changed 2 October 2026 23:53 UTC origin · openrouter-models · a25338d · raw artifact at this commit

   modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

6. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000006" to "0.0000005".

   price_changed 2 October 2026 23:53 UTC origin · openrouter-models · a25338d · raw artifact at this commit

   modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

7. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000022" to "0.0000024".

   price_changed 2 October 2026 20:14 UTC origin · openrouter-models · 6afe52b · raw artifact at this commit

   modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

8. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000001" to "0.00000012".

   price_changed 2 October 2026 20:14 UTC origin · openrouter-models · 6afe52b · raw artifact at this commit

   modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

9. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000005" to "0.0000006".

   price_changed 2 October 2026 20:14 UTC origin · openrouter-models · 6afe52b · raw artifact at this commit

   modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

10. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000024" to "0.0000022".

    price_changed 2 October 2026 02:32 UTC origin · openrouter-models · 09fcaf2 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

11. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.00000012" to "0.0000001".

    price_changed 2 October 2026 02:32 UTC origin · openrouter-models · 09fcaf2 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

12. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000006" to "0.0000005".

    price_changed 2 October 2026 02:32 UTC origin · openrouter-models · 09fcaf2 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

13. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.000003125" to "0.0000024".

    price_changed 19 September 2026 01:19 UTC origin · openrouter-models · 18526f8 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

14. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000001875" to "0.00000012".

    price_changed 19 September 2026 01:19 UTC origin · openrouter-models · 18526f8 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

15. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.000000625" to "0.0000006".

    price_changed 19 September 2026 01:19 UTC origin · openrouter-models · 18526f8 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

16. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000024" to "0.000003125".

    price_changed 17 September 2026 04:25 UTC origin · openrouter-models · 67f8eba · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

17. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.00000012" to "0.0000001875".

    price_changed 17 September 2026 04:25 UTC origin · openrouter-models · 67f8eba · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

18. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000006" to "0.000000625".

    price_changed 17 September 2026 04:25 UTC origin · openrouter-models · 67f8eba · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

19. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.000003125" to "0.0000024".

    price_changed 16 September 2026 21:49 UTC origin · openrouter-models · 17affb0 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

20. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000001875" to "0.00000012".

    price_changed 16 September 2026 21:49 UTC origin · openrouter-models · 17affb0 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

21. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.000000625" to "0.0000006".

    price_changed 16 September 2026 21:49 UTC origin · openrouter-models · 17affb0 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

22. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000024" to "0.000003125".

    price_changed 16 September 2026 18:51 UTC origin · openrouter-models · 01eb114 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

23. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.00000012" to "0.0000001875".

    price_changed 16 September 2026 18:51 UTC origin · openrouter-models · 01eb114 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

24. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000006" to "0.000000625".

    price_changed 16 September 2026 18:51 UTC origin · openrouter-models · 01eb114 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

25. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.000003125" to "0.0000024".

    price_changed 16 September 2026 15:05 UTC origin · openrouter-models · e7f3a2c · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

26. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000001875" to "0.00000012".

    price_changed 16 September 2026 15:05 UTC origin · openrouter-models · e7f3a2c · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

27. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.000000625" to "0.0000006".

    price_changed 16 September 2026 15:05 UTC origin · openrouter-models · e7f3a2c · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

28. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000024" to "0.000003125".

    price_changed 16 September 2026 00:48 UTC origin · openrouter-models · f06e35c · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

29. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.00000012" to "0.0000001875".

    price_changed 16 September 2026 00:48 UTC origin · openrouter-models · f06e35c · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

30. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000006" to "0.000000625".

    price_changed 16 September 2026 00:48 UTC origin · openrouter-models · f06e35c · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

31. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.000003125" to "0.0000024".

    price_changed 14 September 2026 04:10 UTC origin · openrouter-models · 4799b3f · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

32. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000001875" to "0.00000012".

    price_changed 14 September 2026 04:10 UTC origin · openrouter-models · 4799b3f · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

33. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.000000625" to "0.0000006".

    price_changed 14 September 2026 04:10 UTC origin · openrouter-models · 4799b3f · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

34. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000024" to "0.000003125".

    price_changed 4 September 2026 01:03 UTC origin · openrouter-models · 6b99fd6 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

35. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.00000012" to "0.0000001875".

    price_changed 4 September 2026 01:03 UTC origin · openrouter-models · 6b99fd6 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

36. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000006" to "0.000000625".

    price_changed 4 September 2026 01:03 UTC origin · openrouter-models · 6b99fd6 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

37. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.000003125" to "0.0000024".

    price_changed 2 September 2026 20:56 UTC origin · openrouter-models · 93d33d9 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

38. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000001875" to "0.00000012".

    price_changed 2 September 2026 20:56 UTC origin · openrouter-models · 93d33d9 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

39. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.000000625" to "0.0000006".

    price_changed 2 September 2026 20:56 UTC origin · openrouter-models · 93d33d9 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

40. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000022" to "0.000003125".

    price_changed 2 September 2026 01:07 UTC origin · openrouter-models · eec5c16 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

41. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000001" to "0.0000001875".

    price_changed 2 September 2026 01:07 UTC origin · openrouter-models · eec5c16 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

42. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000005" to "0.000000625".

    price_changed 2 September 2026 01:07 UTC origin · openrouter-models · eec5c16 · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

43. OpenRouter's catalog context_length for "nvidia/nemotron-3-ultra-550b-a55b" changed from 512288 to 262144. The top_provider.context_length recorded beside it was 512288 and is 262144.

    context_changed 30 August 2026 21:14 UTC origin · openrouter-models · 159132f · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

    top_provider.context_length before	512288
    top_provider.context_length after	262144

44. OpenRouter's listed "completion" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000036" to "0.0000022".

    price_changed 30 August 2026 21:14 UTC origin · openrouter-models · 159132f · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

45. OpenRouter's listed "input_cache_read" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000002" to "0.0000001".

    price_changed 30 August 2026 21:14 UTC origin · openrouter-models · 159132f · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia

46. OpenRouter's listed "prompt" price for "nvidia/nemotron-3-ultra-550b-a55b" changed from "0.0000006" to "0.0000005".

    price_changed 30 August 2026 21:14 UTC origin · openrouter-models · 159132f · raw artifact at this commit

    modelnvidia/nemotron-3-ultra-550b-a55b labnvidia