Which is cheaper, Devin or Z.AI GLM?

Z.AI GLM is 27.8x cheaper than Devin. Devin starts at $0/mo, Z.AI GLM starts at $18/mo.

Does Devin have a free tier?

Yes, Devin offers a free tier with minimumSpend: 20, concurrentSessions: 10.

Devin has drop-in switching cost. Z.AI GLM has drop-in switching cost. Both have similar switching complexity.

Ai Coding

Devin

Autonomous AI software engineer that plans, codes, debugs, and deploys with concurrent sessions

Switching Cost: drop-in

Z.AI GLM

← More affordable

Zhipu AI's GLM models with tiered coding subscriptions for AI-assisted development and code generation

Switching Cost: drop-in

Price sensitivity favors Z.AI GLM, which costs about 27.8x less than Devin.

For experimentation and testing, Devin wins with its free tier option — something Z.AI GLM doesn't offer.

Cost modeling varies: usage-based drives Devin pricing, while Z.AI GLM uses flat-rate.

If budget is your primary constraint, Z.AI GLM is the clear winner with its more wallet-friendly pricing structure.

If budget is your primary constraint, Z.AI GLM is the clear winner with its more wallet-friendly pricing structure.

Price Difference

27.8x

Z.AI GLM is cheaper by $482/mo

Free Tier

Devin

Has a free tier option

Pricing Model

Different

Tools charge using different pricing philosophies