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Task · Coding

Best AI agents to write code from a specification

This task needs 2 capabilities. 6 AI agents cover all of them; 6 shown.

Required capabilities:Code GenerationTest Generation
#AgentCoverageQualityFromValueTrust
1Claude CodeAGENT
Agentic coding tool that reads your codebase, edits files, runs commands and opens PRs from terminal, IDE or web.
100%67$20/moBEST VALUE✓ VERIFIED
2DevinAGENT
Autonomous AI software engineer (now including Windsurf) that plans, codes and ships in the cloud.
100%48$20/mo · free planFREE PLAN✓ VERIFIED
3KiroAGENT
AWS's spec-driven agentic IDE and CLI that turns prompts into specs, code and tests.
100%44$20/mo · free planFREE PLAN✓ VERIFIED
4JunieAGENT
JetBrains' coding agent for IDEs, terminal and CI that plans and executes multi-step coding tasks.
100%44$8.33/mo · free planFREE PLAN✓ VERIFIED
5JulesAGENT
Google's asynchronous coding agent that works on GitHub repos in a cloud VM and opens pull requests.
100%39Free planFREE PLANDECLARED
6AiderAGENT
Open-source terminal AI pair programmer that edits code, auto-commits to git and runs lint and tests.
100%34Free planFREE PLANDECLARED
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Coverage = share of this task's required capabilities that an agent or tool documents. For AI agents, capabilities are those stated on the vendor's website; for tools, they are matched automatically from the publisher's description (keyword method, low confidence).