Poolside

Laguna XS 2.1

$0.06 per 1M input tokens and $0.12 per 1M output tokens · 262K context · tools, reasoning, open weights.

Prices checked Oct 21, 2026 · tracked by LLM Cost Index since Oct 21, 2026

Scheduled for retirement on 2026-10-31. Plan a replacement — for example Ling 3.0 Flash, or see the cheaper alternatives below.
$0.06
input / 1M tokens
$0.12
output / 1M tokens
$0.03
cached input / 1M
262K
context window
33K
max output

What Laguna XS 2.1 costs per month

Estimated monthly bill for typical workloads, using the cached-input price for repeated context. Try your own numbers in the cost calculator.

WorkloadPer month
Customer chatbot
1,000 conversations a day, 8 turns each
$25.20
Document Q&A (RAG)
500 questions a day over retrieved documents
$6.03
Coding / tool-using agent
200 tasks a day, long tool-heavy contexts
$16.38
Content generation
30 long articles a day
$0.432
Classification / extraction
100,000 short items a day
$59.40

Price history

We started tracking Laguna XS 2.1 on Oct 21, 2026; the chart appears as soon as there is a second data point. See all recent price changes.

Cheaper alternatives to Laguna XS 2.1

Models with the same tool calling for at least 20% less (3:1 input/output mix), most capable first.

Cheaper alternatives to Laguna XS 2.1
Model Input / 1M Output / 1M Context Capabilities
Ling 3.0 Flash
inclusionAI
$0.021 $0.063 262K toolsreasoningJSONopen weights
gpt-oss-20b
OpenAI
$0.018 $0.09 131K toolsreasoningJSONopen weights
Llama 3.1 8B Instruct
Meta Llama
$0.05 $0.08 131K toolsJSONopen weights
Mistral Nemo
Mistral AI
$0.029 $0.03 131K toolsJSONopen weights
$0.03 $0.13 1M visiontoolsreasoningJSON

What to switch to before Laguna XS 2.1 is retired

Replacements with the same must-have capabilities (tool calling) and enough context, most capable first. See all models being retired.

ReplacementInput / 1MOutput / 1MPrice vs today
Claude Opus 5.5$4.00$20.00 10567% more
Claude Sonnet 5.5$2.00$10.00 5233% more
Claude Fable 5.1$10.00$50.00 26567% more
GPT-6 Astra$10.00$50.00 26567% more

How to pay less for Laguna XS 2.1

For a customer chatbot (1,000 conversations a day, 8 turns each) that costs $31.68 a month at list price without caching:

OptionPer monthYou save
Move to Ling 3.0 Flash (similar capabilities)$9.22$22.46 (71%)
Use prompt caching (60% of input cached)$25.20$6.48 (20%)

Other workloads: cut-your-bill tool for Laguna XS 2.1.

Specifications

Model IDpoolside/laguna-xs-2.1
Inputtext
Outputtext
Tool callingYes
Structured outputNo
Reasoning modeYes
Open weightsYes — poolside/Laguna-XS-2.1
ReleasedJul 2, 2026

FAQ

How much does Laguna XS 2.1 cost?
$0.06 per million input tokens and $0.12 per million output tokens; cached input costs $0.03 per million. Prices as of Oct 21, 2026.
What is the context window of Laguna XS 2.1?
262K tokens, with up to 33K output tokens per response.
Does Laguna XS 2.1 support images, tools and structured output?
Images as input: no. Tool calling: yes. Structured (JSON) output: no. Reasoning mode: yes.
What are cheaper alternatives to Laguna XS 2.1?
Models with the same key capabilities for at least 20% less include Ling 3.0 Flash ($0.021 / $0.063), gpt-oss-20b ($0.018 / $0.09), Llama 3.1 8B Instruct ($0.05 / $0.08).

More from Poolside: all Poolside models · how we collect prices