AI Agent Index

Cosine vs Devin (2026)

Side-by-side comparison of Cosine vs Devin: pricing, capabilities, integrations, deployment complexity, and ratings. Built from The AI Agent Index's verified listing data. Cosine last verified October 16, 2026. Devin last verified October 2, 2026.

Data sourced from The AI Agent Index

Cosine logo

Cosine

by Cosine

AI coding agent and Lumen coding models from a London lab building a UK sovereign model. CLI, desktop and cloud. Starter $19/mo, Team $199/mo, Enterprise $999/mo. Air-gapped deployment available.

subscriptionBusiness
Visit Cosine →
Devin logo

Devin

by Cognition

Autonomous AI software engineer from Cognition that plans, codes, tests and opens pull requests in the cloud, with Devin Desktop for local work. Free tier, Pro $20 per month, Max $200 (USD).

freemiumEnterprise
Visit Devin →
Cosine
Devin
Pricing model
subscription
freemium
Starting price
$19/mo
$20/mo
Pricing transparency
public
mostly public
Contract type
monthly
monthly
Customer segment
Business
Enterprise
Deployment
cloud, cli, desktop, on-premise
web, slack, cli, desktop, cloud, ide, api
Setup difficulty
easy
moderate
Avg setup time
—
—
Editorial rating
4.1 / 5
4.3 / 5
G2 rating
No G2 listing
4.3/5 (85 reviews)
MCP
Client
Server + client
GitHub stars
N/A
N/A
Data training
Not Trained
Opt-out
Human in loop
optional
optional
Security certs
None confirmed
SOC 2 Type II, ISO 27001, CCPA

Capabilities

Cosine

agentic-codingmulti-file-editingcode-generationautonomousterminal-agent

Devin

autonomousagentic-codinggit-nativemulti-file-editingterminal-agentcode-generation

Pros & Limitations

Editorial assessment

Cosine

Pros

  • ✓Lumen Outpost is tuned for less common enterprise languages such as COBOL, ABAP, Fortran and Verilog, and Cosine reports a 53.9% Niche-Bench score against 48.3% for Kimi K2.6, the model it was built on.
  • ✓Runs from public cloud to single-tenant or fully air-gapped deployment, with a choice of Lumen, open-weight or customer-approved models, for teams whose code cannot leave their network.
  • ✓Flat team pricing with published credit allocations: Starter $19, Team $199 and Enterprise $999 a month, published add-on credit rates, and no charge for extra members on paid plans.

Limitations

  • –Credit-based billing makes monthly cost depend on task size, model choice and runtime: some third-party frontier models use credits more than 20 times faster than Lumen Outpost.
  • –Little independent review evidence: 6 reviews on Product Hunt (4.7/5) and none on G2, so buyers rely mainly on benchmarks Cosine runs itself.
  • –Documentation is partly out of date: the FAQ still describes an earlier Genie model, a free plan and task-based pricing, and the billing docs list plans that differ from the pricing page.

Devin

Pros

  • ✓Cognition names Citi, Mercedes-Benz, Goldman Sachs, Elevance, Dell, Santander and the U.S. Army and Navy among customers, publishes more than thirty customer stories, and reported crossing $1 billion in annualized revenue run rate in September 2026.
  • ✓Devin Desktop, formerly Windsurf, is bundled into every paid plan, so Pro at $20 per month covers both autonomous cloud sessions and agentic coding in a local IDE under one subscription rather than two.
  • ✓MCP works in both directions. Cognition publishes an MCP server at mcp.devin.ai that external agents connect into to manage sessions, playbooks and schedules, and Devin consumes external servers through its MCP Marketplace.

Limitations

  • –Devin Cloud sessions run asynchronously, so tasks take minutes to hours rather than the near-instant responses developers expect in an editor. Live debugging and pair programming move to Devin Desktop or the CLI, which run against the same usage quota.
  • –Cognition publishes no autonomous task-completion rate. Its 89% figure measures share of commits inside Cognition itself rather than the proportion of assigned tasks completed, and its own case-study language describes a human approving changes on large migrations.
  • –Usage past the included quota bills at API rates, so monthly spend is hard to predict for teams running several concurrent sessions, and Enterprise moves to Agent Compute Unit billing with no published rate.

Frequently asked questions

How does pricing compare between Cosine vs Devin?

Cosine uses a subscription model, starting at $19 per month. Devin uses a freemium model, starting at $20 per month.

View full Cosine profile

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View full Devin profile

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