Kimi K2.5 (Moonshot) vs Devin
Which one should you pick? Here's the full breakdown.
Kimi K2.5 (Moonshot)
Moonshot's 1T-parameter MoE open-weights flagship -- best open-source agentic coder, rivals Claude Opus 4.5
Devin
The most autonomous AI coding agent -- it researches, plans, writes code, and tests it without hand-holding
Powered by Multiple models (proprietary orchestration)
| Category | Kimi K2.5 (Moonshot) | Devin |
|---|---|---|
| Ease of Use | 6.0 | 6.5 |
| Output Quality | 9.0 | 8.0 |
| Value | 8.5 | 7.0 |
| Features | 9.0 | 8.0 |
| Overall | 8.1 | 7.4 |
Pricing Comparison
| Feature | Kimi K2.5 (Moonshot) | Devin |
|---|---|---|
| Free Tier | Yes | No |
| Starting Price | $0 | $20 |
Benchmark Head-to-Head
Kimi K2.5 (1T/32B active MoE) benchmarks — Devin has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| MMLU-Pro | Harder multi-subject reasoning | 84.8% |
| GPQA Diamond | Graduate-level science questions | 80.5% |
| AIME 2025 | 91.2% | |
| SWE-Bench Verified | 78.5% | |
| LiveCodeBench | 74.1% |
Which Should You Pick?
Pick Kimi K2.5 (Moonshot) if...
- ✓Higher output quality (9 vs 8)
- ✓Better value for money (8.5/10)
- ✓More features (9 vs 8)
- ✓Has a free tier
Agentic coding workflows, tool-use agents, and teams willing to pay hosted-API prices for frontier-tier quality with open-weights licensing protection.
Visit Kimi K2.5 (Moonshot)Pick Devin if...
Development teams that want to offload well-scoped tasks like bug fixes, test writing, and boilerplate code to an autonomous agent. Best when the task description is detailed and specific.
Visit DevinOur Verdict
Kimi K2.5 (Moonshot) edges out Devin with a 8.1 vs 7.4 overall score. Both are solid picks, but Kimi K2.5 (Moonshot) has the advantage in output quality.