Poolside · Released Jul 21, 2026Laguna S 2.1
Agentic coding model from Poolside in the XS size class for local deployment.
- Capability
- —No ECI score yet
- Input
- $0.10per 1M tokens
- Output
- $0.20per 1M tokens
- Context
- 1.05M33K max output
What it costs
- Input
- $0.10per million tokens
- Output
- $0.20per million tokens
- Blended (3:1)
- $0.125cheaper than 88% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.30 |
| Team assistant25M input + 5M output tokens | $3.50 |
| Production app250M input + 50M output tokens | $35.00 |
Median of 4 paid API providers on models.dev; Poolside also offers it free on Poolside.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Laguna S 2.1 yet.
The details
- Lab
- Poolside
- Released
- Jul 21, 2026
- Context window
- 1,048,576 tokens
- Max output
- 32,768 tokens
- Inputs
- Text
- Output
- Text
- Reasoning
- Can be switched on or off
- Tool calling
- Yes
- Structured output
- No
- Weights
- Open weights
- API model ID
poolside/laguna-s-2.1on Poolside- Availability
- 6 API providerslisted on models.dev
More from Poolside
About Laguna S 2.1
How much does Laguna S 2.1 cost?
Laguna S 2.1 costs $0.10 input / $0.20 output per million tokens (median across 4 API providers; free on Poolside). At a 3:1 input-to-output mix that is $0.125 per million tokens, cheaper than 88% of the 360 priced models we track.
What is the context window of Laguna S 2.1?
Laguna S 2.1 accepts up to 1,048,576 tokens per request and can write up to 32,768 tokens in one response.
How good is Laguna S 2.1?
Epoch AI has not published a Capabilities Index score for Laguna S 2.1 yet.
Is Laguna S 2.1 open source?
Yes. Poolside publishes the weights, so it can be downloaded and self-hosted.
What inputs does Laguna S 2.1 support?
Laguna S 2.1 accepts text and replies in text. It is a reasoning model, supports tool calling.
When was Laguna S 2.1 released?
Poolside released Laguna S 2.1 on Jul 21, 2026.
What are the best alternatives to Laguna S 2.1?
The closest current models from other labs on capability, price and release date are Gemma 4 12B IT (Google, $0.075 / $0.275), Ling 3.0 Flash Fin (inclusionAI, $0.075 / $0.22), Seed Character (ByteDance Seed, $0.119 / $0.297) and Nemotron 3.5 Lightning 30B A3B (NVIDIA, $0.05 / $0.20).