Unverified50% confidenceOpinionExact time
After personally testing the two checkpoints Carbon B and Carbon Z, the uploader concluded that their coding performance falls far short of Claude Opus 5.5 and even shows almost no meaningful improvement over existing Gemini models.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/29/2026
First Seen
Valid until: 11/12/2026
Sources
AI Buzz Weekly: GPT-6.5 Leak, New Claude Model, and MiniMax's Cost-Effectiveness
bilibiliTHE_OREGANO10/29/2026
Related Entities
Related Claims
UnverifiedGemini 4 Carbon's unsupported claims are about half as many as Argon's, and severe behavioral deviation alerts in the internal coding environment dropped by nearly 80%.67% similarUnverifiedOn the coding Agent index, Carbon's 59 points is lower than Claude Code with Opus 5.5's 62 points.66% similarUnverifiedIn the system test simulating a human operating a computer, Claude Opus 5.5 scored 87.2% and Carbon scored 81.5%.63% similarUnverifiedThis experiment only ran smoke tests, did not measure the quality loss of the 4-bit quantized model, did not compare with the hosted version of Claude, and did not collect A100 throughput data.61% similarUnverifiedGemini 4 Carbon's answer accuracy rose from 48% to 58%, but its hallucination rate rose from 4% to 11%.61% similar
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