Unverified50% confidenceFactExact time
On Anthropic and Bedrock models that lack an xhigh level, 'xhigh' now maps to 'high'; on DeepSeek, Kimi K3 and Mistral GLM-5.3, 'medium' maps to 'low'.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/29/2026
First Seen
Valid until: 1/27/2027
Sources
Related Entities
Related Claims
UnverifiedIn most reasoning-intensity tiering systems, the levels typically progress from low, medium, high to xhigh, with xhigh being a near-top tier rather than an absolute ceiling.69% similarUnverifiedKimi K3's Extra High and Max reasoning levels now use the max parameter, and the previously sent xhigh setting will be rejected by this model.63% similarUnverifiedOn Amazon Bedrock, Nova 2 calls using the portable reasoning: 'xhigh' will now send maxReasoningEffort: 'high' instead of the unsupported 'max', and will return a compatibility warning59% similarVerifiedQwen3.8-27B enables Thinking mode by default, with reasoning depth available in three levels: Low, Medium, and X-High.58% similarUnverifiedMuse Spark Open's reasoning cannot be turned off; only the low, medium, high, or xhigh effort levels can be selected, and xhigh is the default in the blog post's code examples.57% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1112372API
curl https://kongchang.com/api/v1/knowledge/claims/1112372MCP
get_claim(id=1112372)