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[BEST_IN_NICHE // EVAL & BENCHMARK]

Best Eval & Benchmark in May 2026

If you need a Eval & Benchmark tool right now, our caveat-laden pick is open-compass/VLMEvalKit (velocity score 1.4/10). Score 1.4/10 — momentum has cooled. Look elsewhere unless you've already integrated. Other tools worth a look: EvolvingLMMs-Lab/lmms-eval, huggingface/lighteval. Rankings update daily — see the full top 10 below.

Top 3 picks
[RANK · #01]
open-compass/VLMEvalKit
stablescore 1.4/10+21 stars/7d
[RANK · #02]
EvolvingLMMs-Lab/lmms-eval
stablescore 1.1/10+15 stars/7d
[RANK · #03]
huggingface/lighteval
stablescore 0.8/10+5 stars/7d
Top 10 ranked
Tool
Velocity
Trend 30d
Δ 7d
Stars
Class
  • open-compass/VLMEvalKitOpen-source evaluation toolkit of large multi-modality models (LMMs), support 220+ LMMs, 80+ benchmarks
    1.45↑ +214.1kStable
  • EvolvingLMMs-Lab/lmms-evalOne-for-All Multimodal Evaluation Toolkit Across Text, Image, Video, and Audio Tasks
    1.10↑ +154.1kStable
  • huggingface/lightevalLighteval is your all-in-one toolkit for evaluating LLMs across multiple backends
    0.82↑ +52.4kStable
Frequently asked

What's the best Eval & Benchmark right now?

open-compass/VLMEvalKit. Beam ranks Eval & Benchmark tools at 1.4/10 velocity. Score 1.4/10 — momentum has cooled. Look elsewhere unless you've already integrated.

What other Eval & Benchmark tools should I consider?

Beyond open-compass/VLMEvalKit, the next four highest-velocity Eval & Benchmark tools beam tracks are EvolvingLMMs-Lab/lmms-eval, huggingface/lighteval. Open any tool's profile for the full signal breakdown.

How does beam rank Eval & Benchmark tools?

Beam fuses five orthogonal signals into a single velocity score: code activity, package adoption, research citation, sentiment, and production signals. The score multiplies across signals, so any one signal collapsing pulls the whole score down — that's how beam catches stars-up-commits-down decay. Full methodology at /about/methodology.

Is open-compass/VLMEvalKit actively maintained?

See the live status check at /tools/233/status for the direct-answer verdict, last-commit timestamp, and 90-day velocity chart. Beam refreshes daily.

Full Eval & Benchmark feed Methodology All niche picks
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