Expired50% confidenceEventExact time
The Model Slug for Claude Sonnet 5 has appeared in the API systems of Anthropic's partner provider platforms
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Claude Sonnet 5 Imminent, GPT-4.6 This Week? A Wave of Frontier Model Updates
bilibiliNixAI6/22/2026
Related Claims
UnverifiedSonnet 5 is a model from Anthropic76% similarVerifiedAnthropic officially launched Claude Sonnet 5, officially positioned as "the most Agentic Sonnet model."70% similarUnverifiedThe demo used Claude Sonnet 4.6 and an updated llm-anthropic plugin.68% similarUnverifiedClaude Sonnet 4 is a mid-tier model released by Anthropic in mid-2025, with a score on SWE-bench that significantly leads models of the same tier67% similarUnverifiedAnthropic's Claude Sonnet 5 model has been officially integrated into both Devin Desktop and Devin CLI product lines.67% similar
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Stable URI
https://kongchang.com/claim/40931API
curl https://kongchang.com/api/v1/knowledge/claims/40931MCP
get_claim(id=40931)