AI Recommendation
Should you use Laguna S 2.1?
Laguna S 2.1 is listed for chat workloads and supports a 1.0M context window.
Use it when OpenCode Zen's free tier is enough for evaluation, demos, or light production traffic.
Laguna S 2.1 Free API on OpenCode Zen
Free API Verified Catalog metadata matched Reasoning models.dev metadata
Agentic coding model from Poolside in the XS size class for local deployment
Free APIOpenAI compatibleReasoningTool callingReasoning
API Details
Copy-ready connection details
Base URL
https://opencode.ai/zen/v1 Model ID
laguna-s-2.1-free API format OpenAI Chat Completions
Technical Details
Laguna S 2.1 specifications
Context window 1.0M
Max output 33K
Status Online
Family laguna
Released Jul 21, 2026
Last updated Jul 21, 2026
Free listing since Jul 25, 2026
Input text
Output text
Capabilities reasoning, tool calling, temperature control
Open weights Yes
Best for
- Chat
Strengths & Weaknesses
Strengths
- Long context window
- Reasoning mode listed
- Tool calling support
- Open weights available
Watch outs
- Vision support is not listed
Pricing
Laguna S 2.1 pricing per 1M tokens
Input $0 per 1M tokens
Output $0 per 1M tokens
Free access Available OpenCode Zen
Availability
Laguna S 2.1 availability by provider
We only found this Laguna S 2.1 listing on OpenCode Zen in the current catalog. Use the related models section for nearby alternatives.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | Laguna S 2.1 | Free tier | 1.0M | Native | Varies |
Compare
Laguna S 2.1 alternatives to consider
| Model | Provider | Context | Access |
|---|---|---|---|
| big-pickle | OpenCode Zen | N/A | Free tier |
| DeepSeek V4 Flash | OpenCode Zen | 1.0M | Free tier |
| MiMo-V2.5 | OpenCode Zen | 1.0M | Free tier |
| Nemotron 3 Ultra 550B A55B | OpenCode Zen | 1.0M | Free tier |
| North Mini Code | OpenCode Zen | 256K | Free tier |
Typical Use Cases
Laguna S 2.1 use cases
Chat
Laguna S 2.1 is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
FAQ
Laguna S 2.1 free API FAQ
Is Laguna S 2.1 free to use?
Laguna S 2.1 is listed with free API access on OpenCode Zen, subject to the provider's quota and account policy.
What is the Laguna S 2.1 model ID?
The model ID shown in this catalog is laguna-s-2.1-free.
What context window does Laguna S 2.1 support?
The listed context window is 1.0M tokens with up to 33K output tokens.
More about Laguna S 2.1
Free Laguna S 2.1 API.
For API keys, setup steps, and provider-level limits, see the OpenCode Zen provider page.