tensor.news
Integrity IndexModelsCompareLabsPapersMethodologyAbout
tensor.news

© 2026

Evidence

  • Integrity Index
  • Model Claim Ledger
  • Compare

Entities

  • Models
  • Benchmarks
  • Labs
  • Papers

Method

  • Methodology
  • About
  • Privacy

Machine

  • Feed (Atom)
  • llms.txt
  • llms-full.txt
  • Sitemap

tensor.news grades benchmarks and tags model claims by evidence status. Every fact carries a source record and provenance. Scores are framed as task performance under a disclosed harness, never as deployed capability.

← Compare

GPT-5.4 vs Grok 4.20

Verdict

GPT-5.4 leads 6–0 across 6 shared benchmarks.

GPT-5.4 6 · Grok 4.20 0 · higher isn't always better — see caveats.

Per-benchmark head-to-head

GPT-5.4Grok 4.20
  • 93.67
    ARC-AGI
    89.5
  • 73.95
    ARC-AGI-2
    65.14
  • 27.9
    CL-bench
    22.2
  • 21.7
    CL-bench Life
    11.9
  • 81.8
    Terminal Bench
    57.3
  • 77.7
    WeirdML
    52.26
A higher number is not always a better model. Each score is task performance under a disclosed harness, and some of these benchmarks are saturated or scored under mixed harnesses. Follow any benchmark to its integrity grade before reading a win as decisive.

Follow the record

These models

  • GPT-5.495.3
  • Grok 4.2089.5