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.
Related event: Musk Announces Release Timeline for Grok 4.6 and 4.7(10 posts)→
More from Models
- GPT-6 Astra beats Factorio with enemies in 44 in-game hours at ~$4,500 API cost — liminal_bardo · 2026-09-11
- 105 hidden bugs, 2 repos: DeepSeek V4.1 Flash fixes 24 at $1.80 vs Opus 5's 27 at $51.33 — ChartsJournalX · 2026-09-11
- awesome-llm-leaderboards: an open-source directory of LLM leaderboards, pricing tables, comparison tools — Last_Establishment_1 · 2026-09-11
- Anthropic claims it works to keep eval environments unidentifiable to models — MaxKannen · 2026-09-11
- Nex N2.5 Pro released on Hugging Face with 407GB of weights — jinnyjuice · 2026-09-11
- RoMa v2 image matching model unveiled in the usual black poster — ducha_aiki · 2026-09-11