Benchmarks and evaluation

Week 41 · 5-11 Oct

10 sources filed · EN 5 · RU 2 · ZH 3

  • A

    Gave nine popular Claude Code skills a placebo

    Skills chosen by GitHub stars on 28 September 2026, from superpowers (292,189) to compound-engineering (25,299); domain skills, memory systems and orchestrators excluded.

    2 of 9popular Claude Code skills that beat a length-matched placebo, both on cost only (12% and 5% cheaper)

  • A

    Can AI automate AI R&D yet? (InnovationEval)

    Each agent received 3,000 GPU-hours on up to 50 GPUs and a 10 billion-token inference budget, in a sandbox without internet access, with a codebase scrubbed of SDPO.

    35%share of the human method's gains reached by the best uncontaminated model (GPT-5.6 Sol), scored generously; 15% when only in-scope changes count

  • B

    EBR-bench update

    A single human playthrough takes about 2-4 hours; a high score means completing up to 21 objectives within limited turns.

    100%GPT-6 Astra score on the original EBR-bench, reached in over half its attempts via one card

  • A

    What Does a Harness Buy? Tokens, Mostly

    On 447 tasks, Claude Code and mini-SWE-agent differ by -1.8 points (Qwen3.6-35B-A3B) and -1.4 points (Qwen3.8-27B), equivalent within a 5-point margin.

    13%median share of hard tasks whose outcome flips, both when swapping the harness and when rerunning the same one

  • A

    Periodic Weak Spots: Phase Sensitivity from Chunked KV-Cache Compression

    In DeepSeek-V4-Flash-Base, a code completion flips between the correct "8" and the wrong "32" with a period of four tokens as filler text is lengthened, matching the compression stride of 4.

    40.2 pplargest gap in 128K-context retrieval accuracy across token phases in DeepSeek-V4 base models

August 2026

1 source filed · EN 1

  • A

    Beyond Final Scores long-horizon AI RnD

    Claude Opus 4.7 ranks first on average (0.739) and best-of-three (0.790); GPT-5.5, GLM-5.2 and Gemini-3.1-Pro form a second tier within 0.029 of each other on average.

    3 of 252best-seed solutions judged methodologically novel

April 2026

1 source filed · EN 1

  • S

    AI Index Report 2026

    Generative AI reached 53% population adoption within three years, faster than the PC or the internet; organizational adoption reached 88%.

    88%organizational adoption of AI in 2025