#17 in AI Development PlatformsUpdated 2026-08

CopilotKit

by CopilotKit · Frontend stack for connecting AI agents to apps

66.4 — BenchRank score out of 100

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Overview

CopilotKit is a frontend stack for connecting AI agents to applications. It provides SDKs for React, Angular, Vue and Next.js, pre-built or fully headless chat components, thread and state persistence, and generative UI in which the agent renders interactive components as it works. It is built on AG-UI, an open protocol with 16 real-time event types.

Best for: Development teams embedding AI agents with in-app generative UI in web, mobile, Slack or Teams apps.
Pricing: Free for one developer seat, then $39/developer/month (up to 5 seats) or $100/developer/month (5 seats included), with custom Enterprise pricing.
Runs on: Self-hostedCLI

Strengths and trade-offs

Strengths

Free tier for one developer seat, with no time limit
SDKs for React, Angular, Vue and Next.js
One event stream across web, mobile, Slack and Teams
Built on AG-UI, an open protocol with 16 event types

Trade-offs

Analytics and Self-Learning are listed as early access only
Free tier caps you at 200 threads and 3-day thread retention
Self-hosting including the database starts on the $100/developer Team plan
Priced per developer seat, so cost scales with team size

Pricing

Published plans from CopilotKit’s own pricing page, in USD. Usage charges and add-ons may apply on top.

CopilotKit pricing tiers, monthly rates in USD
Plan	Monthly	Includes
DEVELOPER	Freeper developer seat	One developer seat, free forever Runtime-only VPC or on-prem deployment 3-day thread retention, 200 max threads, 1 GB multimodal storage 1 channel (500 messages max); Discord community support
PRO	$39per developer per month	Up to 5 seats Runtime-only VPC or on-prem deployment 5-day thread retention, 5,000 max threads, 10 GB multimodal storage 5 channels
TEAM	$100per developer per month	5 seats included Self-hosting including database, plus cloud hosting 14-day thread retention, 25,000 max threads, 100 GB multimodal storage 10 channels
ENTERPRISE	Contact sales	Custom thread retention, unlimited threads and channels Dedicated Slack and engineering support, up to 5 hrs/week SLA, priority bug fixes and prioritised roadmap input Multimodal storage by arrangement

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 92 out of 100
API quality: 30 out of 100
Documentation: 80 out of 100
Agent friendliness: 77 out of 100
Pricing transparency: 100 out of 100
Changelog: 40 out of 100
Marketing site structure: 50 out of 100
Operational trust: 40 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 85 out of 100
Maintenance: 100 out of 100

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