API cost decision in 10 seconds

Laguna XS.2 (free) vs 🔥DeepSeek V4 Pro

Pick Laguna XS.2 (free) for lower cost; pick DeepSeek V4 Pro only if the larger context window matters more.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Laguna XS.2 (free) for lower cost; pick DeepSeek V4 Pro only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Laguna XS.2 (free) is estimated at $0 vs $0.87 for DeepSeek V4 Pro, saving $0.87 (100% lower).

Cost-first pickLaguna XS.2 (free)
Context-first pickDeepSeek V4 Pro
Sample savings$0.87100%
10x traffic gap$8.7

DeepSeek V4 Pro has more context, but Laguna XS.2 (free) saves $0.87 on the standard workload. At 10x that traffic, the same price gap is about $8.7. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Laguna XS.2 (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickLaguna XS.2 (free)DeepSeek V4 Pro
Input-heavy / RAG 5M input + 500K output Laguna XS.2 (free) $0 $2.61
Balanced workload 1M input + 1M output Laguna XS.2 (free) $0 $1.3
Output-heavy chatbot 1M input + 5M output Laguna XS.2 (free) $0 $4.78
Cheaper inputLaguna XS.2 (free)$0 vs $0.43 / 1M
Cheaper outputLaguna XS.2 (free)$0 vs $0.87 / 1M
Larger contextDeepSeek V4 Pro131.07K vs 1.05M
Sample workloadLaguna XS.2 (free)$0 vs $0.87

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Laguna XS.2 (free)Calculating…Estimated API cost
DeepSeek V4 ProCalculating…Estimated API cost
Cheaper for this workloadCalculating…Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Laguna XS.2 (free) has the lower input price, Laguna XS.2 (free) has the lower output price, and DeepSeek V4 Pro offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $0 for Laguna XS.2 (free) and $0.87 for DeepSeek V4 Pro.

Best Fit

Choose Laguna XS.2 (free) when you care most about lower input-token price, and lower output-token price.

Choose DeepSeek V4 Pro when you care most about larger context window.

Head-to-Head Specs
FeatureLaguna XS.2 (free)
(Poolside)		🔥DeepSeek V4 Pro
(DeepSeek)
Input Price
prompt tokens per 1M		$0$0.43
Completion Price
per 1M tokens		$0$0.87
Sample Workload Cost
1M input + 500K output		$0$0.87
Context Window131.07K1.05M
Release Date2026-04-282026-04-24
Popularity#6
Laguna XS.2 (free)

Laguna XS.2 is the second-generation model in the XS size class from [Poolside](https://poolside.ai), their efficient coding agent series. It combines tool calling and reasoning capabilities with a compact footprint, offering...

DeepSeek V4 Pro

DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is designed for advanced reasoning, coding,...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionLaguna XS.2 (free)On the standard 1M input plus 500K output workload, Laguna XS.2 (free) is estimated at $0 vs $0.87 for DeepSeek V4 Pro, saving $0.87 (100% lower).
High-volume input processingLaguna XS.2 (free)Lower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsLaguna XS.2 (free)Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workDeepSeek V4 ProA larger context window leaves more room for retrieved passages and source files.