Apex
Apex is Apex is a cost-effective, general-purpose coding model for everyday agent work. Frontier-level where React runs: React Native and Next.js.. It is ranked #2622 on the Dev Radar, in AI dev tools, first seen 29 days ago and shared in 10 posts (81.6k views).
Apex — Agentic coding model for mobile and web Skip to content Pause animations by Callstack Try Apex Menu Agentic coding for mobile and web, fluent in React. A cost-effective, general-purpose model for everyday agent work. Frontier-level where React runs: React Native on mobile, Next.js on the web. Try Apex Also on Vercel AI Gateway · callstack/apex ↗ 01 02 03 04 05 06 07 08 09 10 import { generateText } from "ai" const { text } = await generateText ({ model : "apex" , prompt : "Ship this React Native screen." , }) Within 1 point of Claude Opus 5.5 on React Native evals 3.7× lower cost per React Native task than Claude Opus 5.5 Up to 3×…
What people said about Apex on X
We trained Apex for React Native. It landed #2 at fixing web React. Callstack's Apex is tied #5 overall on @aidenybai's ReactBench. React Native tuning carries over to the web. Try it on Vercel AI Gateway or https://apex.callstack.com
— @thymikee, 17 days ago · 49 likes · see the post
Apex ranks #5 on ReactBench Very cost-efficient model for writing React + app code
— @aidenybai, 17 days ago · 48 likes · see the post
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Apex in numbers
- Rank on the Dev Radar: #2622 of 8801
- Shared in 10 posts by 8 accounts: @thymikee, @aidenybai
- 81.6k views on those posts
- First seen 29 days ago, last shared 17 days ago
- Pricing seen by AGK Intelligence: not stated
- Market: AI dev tools
FAQ
What is Apex?
Apex is a cost-effective, general-purpose coding model for everyday agent work. Frontier-level where React runs: React Native and Next.js. It was first shared on X 29 days ago and is ranked #2622 on the Dev Radar.
Is Apex free?
Pricing is not stated on the page we read.
Who shared Apex?
8 accounts on X, including @thymikee, @aidenybai, in 10 posts totalling 81.6k views.
Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 31.2k posts from 5k X accounts over the last 21 days, 8.8k tools, 12 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-10-30 21:12 UTC. Full method.