Laguna XS 2.1 is $4.94 cheaper per 1M input tokens (98.8% lower; 83.3x difference).
API cost decision in 10 seconds
Laguna XS 2.1 vs Claude Fable 5 (batch)
Pick Laguna XS 2.1 for lower cost; pick Claude Fable 5 (batch) only if the larger context window matters more.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Laguna XS 2.1 for lower cost; pick Claude Fable 5 (batch) only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Laguna XS 2.1 is estimated at $0.12 vs $17.5 for Claude Fable 5 (batch), saving $17.38 (99.3% lower).
Cost-first pickLaguna XS 2.1
Context-first pickClaude Fable 5 (batch)
Sample savings$17.3899.3%
10x traffic gap$173.8
Claude Fable 5 (batch) has more context, but Laguna XS 2.1 saves $17.38 on the standard workload. At 10x that traffic, the same price gap is about $173.8. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Laguna XS 2.1 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Laguna XS 2.1 | Claude Fable 5 (batch) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Laguna XS 2.1 | $0.36 | $37.5 |
| Balanced workload | 1M input + 1M output | Laguna XS 2.1 | $0.18 | $30 |
| Output-heavy chatbot | 1M input + 5M output | Laguna XS 2.1 | $0.66 | $130 |
Laguna XS 2.1 is $24.88 cheaper per 1M output tokens (99.5% lower; 208.3x difference).
Claude Fable 5 (batch) has 737.86K more context (3.81x larger).
Laguna XS 2.1 is $17.38 cheaper on the standard workload (99.3% lower).
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 2.1 has the lower input price; Laguna XS 2.1 has the lower output price; Claude Fable 5 (batch) offers the larger context window. For the 1M input plus 500K output sample, Laguna XS 2.1 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.12 for Laguna XS 2.1 and $17.5 for Claude Fable 5 (batch).
Choose Laguna XS 2.1 when you care most about lower input-token price, and lower output-token price.
Choose Claude Fable 5 (batch) when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Laguna XS 2.1 is estimated at $0.12 vs $17.5 for Claude Fable 5 (batch), saving $17.38 (99.3% lower).
- Laguna XS 2.1 is $17.38 cheaper on the standard workload (99.3% lower).
- Laguna XS 2.1 is $4.94 cheaper per 1M input tokens (98.8% lower; 83.3x difference).
- Laguna XS 2.1 is $24.88 cheaper per 1M output tokens (99.5% lower; 208.3x difference).
- Claude Fable 5 (batch) has 737.86K more context (3.81x larger).
| Feature | Laguna XS 2.1 (Poolside) | Claude Fable 5 (batch) (Anthropic) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.06 | $5 |
| Completion Price per 1M tokens | $0.12 | $25 |
| Sample Workload Cost 1M input + 500K output | $0.12 | $17.5 |
| Context Window | 262.14K | 1M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Laguna XS 2.1 | On the standard 1M input plus 500K output workload, Laguna XS 2.1 is estimated at $0.12 vs $17.5 for Claude Fable 5 (batch), saving $17.38 (99.3% lower). |
| High-volume input processing | Laguna XS 2.1 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Laguna XS 2.1 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Claude Fable 5 (batch) | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Laguna S 2.1 (free) can replace Laguna XS 2.1 when lower sample workload cost matters most: $0.
- Laguna XS 2.1 (free) can replace Laguna XS 2.1 when lower sample workload cost matters most: $0.
- Laguna XS.2 (free) can replace Laguna XS 2.1 when lower sample workload cost matters most: $0.
- Laguna M.1 (free) can replace Laguna XS 2.1 when lower sample workload cost matters most: $0.
- Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
- DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
- DeepSeek V4 Flash 0731 · DeepSeek · #1
- MiMo-V2.5 · Xiaomi · #2
- Hy3 · Tencent · #3
- Ox Alpha · stealth · #4
Cheaper alternatives
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