# Vercel — How Ora benchmarks every major AI agent on Vercel

- Company: Vercel (vercel.com)
- Announced: 2026-08-21T21:00:00+00:00
- Category: not stated
- Coverage: not counted
- Announcement: no
- Group: routine
- Source: https://vercel.com/blog/how-ora-benchmarks-every-major-ai-agent-on-vercel
- Record: https://forck.live/items/20667-how-ora-benchmarks-every-major-ai-agent-on-vercel
- Subject: v0 / AI SDK / AI Gateway
- Models affected: Claude Code, ChatGPT, Gemini, Hermes, OpenClaw, eve, Claude Fable 5, Haiku 4.5

Ora, a platform that tests AI agents on live websites, published a benchmark comparing major agent harnesses including Claude Code, ChatGPT, Gemini, Hermes, OpenClaw, and Vercel's eve. In a head-to-head test using the same models (Claude Fable 5 and Haiku 4.5), eve completed tasks in 7% fewer steps, achieved 2x native success rate, and found 9% more valid endpoints than Claude Code. Ora subsequently adopted eve as its own agent framework.

## Evidence

Verbatim from https://vercel.com/blog/how-ora-benchmarks-every-major-ai-agent-on-vercel:

> The initial test put eve against Claude Code across hundreds of real journeys on multiple domains. Both harnesses ran the same models, Claude Fable 5 and Haiku 4.5, and every run gave the agent the same job: integrate with a product.

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