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Cloud Changelog
March 26, 2026 · Cerebras
Chat Completions API supports the developer message role for gpt-oss-120b
The Chat Completions API now supports the developer message role for gpt-oss-120b, aligning with the OpenAI API message format. The developer role is functionally equivalent to system — the system role remains supported for backwards compatibility. Other models do not support the developer role.
Latest Cerebras Inference changes
Kimi K3.1 Pro added to Dedicated catalog, with image inputs and reasoning levels
Kimi K3, GLM 5.3 Flash and three more models added to Dedicated catalog
Service Tiers docs updated for service_tier reporting and auto and priority fallbacks
qwen-3.8-27b Developer tier rate limit raised temporarily to 750K tokens per minute
gemma-4-31b removed from Cerebras public endpoints, still on Dedicated