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Agent Playground

Compare coding agents. Side by side.

Run the same task through 2–8 cloud agents at once — Claude Code, Codex, Hermes, pi and more, each on the model you choose — and see the results, cost, and time together. No setup — pay only for what your agents use.

Open the PlaygroundView benchmarks

Real work · live sessions · one screen

New agent

Harness

Choose an available browser agent. Explore every agent harness

Model

Start Agent

How it works

One task in. Every answer out.

01

Pick agents

Claude Code, Codex, Hermes, OpenClaw, pi, DeepSeek Harness, Kimi Code, or opencode — run 2 to 8 side by side, each on the model you choose.

02

One prompt

Give every column the same real work: a repo, a bug, a feature. Persistent cloud sessions keep state while they run.

03

Compare results

Read the answers next to each other with cost and time on the same row. A failed or empty answer never wins by being cheap.

04

Keep the winner

Rerun it, share the comparison, or take the winning agent straight to the API with your key.

Find your best agent today.

Open the PlaygroundView benchmarks
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