Musk says Grok 4.5 and Claude Opus 5 are the only models on the Pareto frontier
elonmusk · x · 2026-07-25
Elon Musk says Grok 4.5 and Claude Opus 5 are the only models on the Pareto frontier in the attached FrontierCode chart.
- The image compares score vs. average cost per rollout and highlights Grok 4.5 and Opus 5 as the top trade-off pair.
- Several other models trail below them on the chart, including Fable 5, GPT-5.6 Sol, Sonnet 5, Kimi K2.7, GLM 5.2, and Composer 2.5.
- Musk also links to a follow-up claim that Grok iterations are coming on a fast cadence.
More from Models
- Claude launches Opus 5, claiming frontier-level intelligence at half the price — HuaxiuYaoML · 2026-07-25
- Release blog teaser shows a near-tie on FrontierCode agentic coding benchmark — hardmaru · 2026-07-25
- User Accuses Anthropic of Gaming ARC-AGI-3 by Training Specifically on Benchmark Patterns — VraserX · 2026-07-25
- Moonshot’s open-weight Kimi K3 is nearing top U.S. models and shifting AI economics — OmarUFlorez · 2026-07-25
- Jensen Huang's First Post Champions Open Models: World Needs Both Frontier Open and Closed AI — tech__unicorn · 2026-07-25
- Opus 5 tops nine biology benchmarks, but still trails in some analysis tasks — kenbwork · 2026-07-25