Reflection Beam Preview 2026-10-05 - MCP Atlas: leaderboard

Oct5 prerelease evaluation, publisher says final red-teaming ongoing and weights forthcoming. Beam identity is date-qualified and never merged with final Oct16. Comparator exact printed model labels retained; effort/precision unreported. Public split and context-management qualifiers retained. NR cells explicitly pinned missing; a populated missing cell requires review. Metric: Score (%). Higher is better. Source: https://reflection.ai/blog/introducing-beam

Metric: Score (%). Source: reflection.ai. Saturation forecast: Around January 2027. 7 models tracked.

Top models

#ModelScoreOverall rank
1Qwen 3.8 Max84.5#31
2GLM-5.384.2#40
3Kimi K382.3#29
4GLM-5.277.8#71
5Inkling76#123
6Nemotron 3 Ultra63.1#240

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #7 Gemini 4 Argon.

Interactive version: theaggregate.ai/benchmark?slug=reflection-beam-preview-2026-10-05-mcp-atlas · How It Works · Data refreshed daily, snapshot 2026-10-17.