⚖️ Comparison · Updated August 2026
Devin vs FastLLM
Which one fits your work better in 2026? Side-by-side pricing, ratings and strengths — plus our honest take.
| Devin | FastLLM | |
|---|---|---|
| Rating | ★★★★☆ 4.7/5 | ★★★★★ 5.0/5 |
| Pricing | Paid | Paid |
| Category | Coding & Dev | Coding & Dev |
| In one line | AI software engineer capable of handling coding tasks, debugging, testing, and project execution aut | Prepaid AI gateway for GPT, Claude and image models. |
| Best for | Autonomous Software Engineer · AI Agent · Task Automation · Full-stack Coding | AI API · GPT · Claude · developer tools |
| Try it | Visit Devin → | Visit FastLLM → |
About Devin
Devin, by Cognition, launched as "the first AI software engineer" — an autonomous agent that takes a ticket and delivers a pull request: planning the work, writing code across files, running it in its own shell and browser, debugging failures, and iterating until tests pass.
Unlike copilots that assist while you type, Devin operates like a junior engineer you delegate to. It works in a sandboxed environment with a code editor, terminal and browser; you watch its plan and steps, intervene when needed, and review the resulting PR. Teams use it for well-scoped tasks: bug fixes, test coverage, migrations, small features and code modernization at scale.
Pricing is subscription/usage-based a…
Full Devin review →
Unlike copilots that assist while you type, Devin operates like a junior engineer you delegate to. It works in a sandboxed environment with a code editor, terminal and browser; you watch its plan and steps, intervene when needed, and review the resulting PR. Teams use it for well-scoped tasks: bug fixes, test coverage, migrations, small features and code modernization at scale.
Pricing is subscription/usage-based a…
About FastLLM
FastLLM is a prepaid AI model gateway for developers and teams. It provides access to supported GPT, Claude, image, and other AI models through one dashboard with visible model pricing, usage records, and Stripe or Alipay payments. It helps teams control AI API budgets with prepaid credits, transparent model pricing, and usage records. Packages include 50 credits for $9.99, 120 credits for $19.99, 280 credits for $39.99, and 800 credits for $99.
Full FastLLM review →
Frequently Asked Questions
Is Devin free?
Devin is a paid tool. Check its site for current pricing and any trial.
Is FastLLM free?
FastLLM is a paid tool. Check its site for current pricing and any trial.
Can I use Devin and FastLLM together?
Yes — many people use both, since each has different strengths. Try the free options of each on your own tasks before committing to a paid plan.
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