Laguna XS.2 (free) is free for input tokens while Sonar Pro Search costs $3 per 1M tokens.
API cost decision in 10 seconds
NewLaguna XS.2 (free) vs Sonar Pro Search
Pick Laguna XS.2 (free) for lower cost; pick Sonar Pro Search only if the larger context window matters more.
Budget verdict
Pick Laguna XS.2 (free) for lower cost; pick Sonar Pro Search 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 $10.5 for Sonar Pro Search, saving $10.5 (100% lower).
Sonar Pro Search has more context, but Laguna XS.2 (free) saves $10.5 on the standard workload. At 10x that traffic, the same price gap is about $105. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Laguna XS.2 (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Laguna XS.2 (free) | Sonar Pro Search |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Laguna XS.2 (free) | $0 | $22.5 |
| Balanced workload | 1M input + 1M output | Laguna XS.2 (free) | $0 | $18 |
| Output-heavy chatbot | 1M input + 5M output | Laguna XS.2 (free) | $0 | $78 |
Laguna XS.2 (free) is free for output tokens while Sonar Pro Search costs $15 per 1M tokens.
Sonar Pro Search has 68.93K more context (1.53x larger).
Laguna XS.2 (free) is free for the standard workload while the other model is estimated at $10.5.
Estimate your workload cost
Your Workload Cost
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
Laguna XS.2 (free) has the lower input price; Laguna XS.2 (free) has the lower output price; Sonar Pro Search offers the larger context window. For the 1M input plus 500K output sample, Laguna XS.2 (free) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0 for Laguna XS.2 (free) and $10.5 for Sonar Pro Search.
Choose Laguna XS.2 (free) when you care most about lower input-token price, and lower output-token price.
Choose Sonar Pro Search when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Laguna XS.2 (free) is estimated at $0 vs $10.5 for Sonar Pro Search, saving $10.5 (100% lower).
- Laguna XS.2 (free) is free for the standard workload while the other model is estimated at $10.5.
- Laguna XS.2 (free) is free for input tokens while Sonar Pro Search costs $3 per 1M tokens.
- Laguna XS.2 (free) is free for output tokens while Sonar Pro Search costs $15 per 1M tokens.
- Sonar Pro Search has 68.93K more context (1.53x larger).
| Feature | NewLaguna XS.2 (free) (Poolside) | Sonar Pro Search (Perplexity) |
|---|---|---|
| Input Price prompt tokens per 1M | $0 | $3 |
| Completion Price per 1M tokens | $0 | $15 |
| Sample Workload Cost 1M input + 500K output | $0 | $10.5 |
| Context Window | 131.07K | 200K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Laguna XS.2 (free) | On the standard 1M input plus 500K output workload, Laguna XS.2 (free) is estimated at $0 vs $10.5 for Sonar Pro Search, saving $10.5 (100% lower). |
| High-volume input processing | Laguna XS.2 (free) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Laguna XS.2 (free) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Sonar Pro Search | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Sonar can replace Sonar Pro Search when lower sample workload cost matters most: $1.5.
- Sonar Reasoning Pro can replace Sonar Pro Search when lower sample workload cost matters most: $6.
- Sonar Deep Research can replace Sonar Pro Search when lower sample workload cost matters most: $6.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- GPT-5.4 offers 1.05M context with $10 sample workload cost.
- No popular competitor is currently available.
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
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Open provider hubsPoolside catalog
Review all tracked Poolside models before deciding whether this matchup is the right shortlist.
Open Poolside modelsPerplexity catalog
Check other Perplexity models with comparable pricing, context, or release timing.
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