Laguna S 2.1 is now free in Command Code. US open source model that's most capable of agentic coding in its weight class by a wide margin.
- 118B total parameters, with 8B active per token
- 70.2% Terminal-Bench 2.1 · 40.4% DeepSWE v1.1
- Available free to all subscribers
Laguna S 2.1 at a glance
Open-weight agentic coding and long-horizon work.
| Spec | Laguna S 2.1 |
|---|---|
| Model ID | poolside/laguna-s-2.1-free |
| Context window | 256K tokens |
| Released | July 22, 2026 |
| Input | $0.00 per 1M tokens |
| Output | $0.00 per 1M tokens |
| Cache read | $0.00 per 1M tokens |
| Effective input in an agent loop | $0.00 per 1M tokens |
| Plans | Go and above |
Specs, pricing and plans are from the Laguna S 2.1 model page as of September 28, 2026, including any deal running that day, so they can differ from the launch pricing above. Intelligence and Coding Index scores are from Artificial Analysis.
Use Laguna S 2.1
1cmd --model poolside/laguna-s-2.1-freeOr type /model in a session and pick it. You can switch mid-session without losing context.
What real work costs on Laguna S 2.1
| Task | Tokens (in · out) | Cost |
|---|---|---|
| Quick lookup / one-liner | 8K · 1K | $0.00 |
| Review a 500-line PR | 60K · 4K | $0.00 |
| Fix a bug (agent loop) | 180K · 12K | $0.00 |
| Refactor a module | 320K · 20K | $0.00 |
| Full-repo agent run | 900K · 45K | $0.00 |
Try Command Code
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