Fireworks AI · releasedARCv3

valid_from

2026-09-23

valid_to

null (still holds)

confidence

0.70

superseded_by

null

first seen

2026-10-28

last updated

2026-10-28

Sources

“Fireworks’ ARCv3 delivers lossless BF16 weight updates nearly 50% smaller than ARCv2, making cross-region reinforcement learning more practical.”— what the source said

• Every byte counts: ARCv3 and the case for cross-region RLprimary · fireworks.ai

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