Cerebras GPT-5.6 Sol Ultrafast (750 tok/s)

Fields

id

sources/alt-cerebras-ultrafast

URL

https://www.cerebras.ai/blog/accelerating-gpt-5-6-sol-ultrafast-with-openai

Publisher

Cerebras Systems

Kind

blog

Published

2026-08-13

Accessed

2026-10-04

notes

GPT-5.6 Sol Ultrafast at up to 750 output tokens/sec. 11x faster than Fable 5, 5x faster than Opus 4.8 Fast. HLE benchmark: 2500 questions in 11h11m vs 78h27m for Claude Fable 5. Weights stay on-chip (44 GB SRAM), tokens flow through pipelined layers across wafers.

Notes

GPT-5.6 Sol Ultrafast at up to 750 output tokens/sec. 11x faster than Fable 5, 5x faster than Opus 4.8 Fast. HLE benchmark: 2500 questions in 11h11m vs 78h27m for Claude Fable 5. Weights stay on-chip (44 GB SRAM), tokens flow through pipelined layers across wafers.

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