Xing4.0 29B A4B (free) is free for input tokens while Pareto 26.10 Preview costs $0.8 per 1M tokens.
API cost decision in 10 seconds
NewXing4.0 29B A4B (free) vs Pareto 26.10 Preview
Pick Xing4.0 29B A4B (free) for lower cost; pick Pareto 26.10 Preview 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 Xing4.0 29B A4B (free) for lower cost; pick Pareto 26.10 Preview only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Xing4.0 29B A4B (free) is estimated at $0 vs $2.4 for Pareto 26.10 Preview, saving $2.4 (100% lower).
Cost-first pickXing4.0 29B A4B (free)
Context-first pickPareto 26.10 Preview
Sample savings$2.4100%
10x traffic gap$24
Pareto 26.10 Preview has more context, but Xing4.0 29B A4B (free) saves $2.4 on the standard workload. At 10x that traffic, the same price gap is about $24. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Xing4.0 29B A4B (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Xing4.0 29B A4B (free) | Pareto 26.10 Preview |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Xing4.0 29B A4B (free) | $0 | $5.6 |
| Balanced workload | 1M input + 1M output | Xing4.0 29B A4B (free) | $0 | $4 |
| Output-heavy chatbot | 1M input + 5M output | Xing4.0 29B A4B (free) | $0 | $16.8 |
Xing4.0 29B A4B (free) is free for output tokens while Pareto 26.10 Preview costs $3.2 per 1M tokens.
Pareto 26.10 Preview has 786.43K more context (4x larger).
Xing4.0 29B A4B (free) is free for the standard workload while the other model is estimated at $2.4.
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
Xing4.0 29B A4B (free) has the lower input price; Xing4.0 29B A4B (free) has the lower output price; Pareto 26.10 Preview offers the larger context window. For the 1M input plus 500K output sample, Xing4.0 29B A4B (free) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0 for Xing4.0 29B A4B (free) and $2.4 for Pareto 26.10 Preview.
Choose Xing4.0 29B A4B (free) when you care most about lower input-token price, and lower output-token price.
Choose Pareto 26.10 Preview when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Xing4.0 29B A4B (free) is estimated at $0 vs $2.4 for Pareto 26.10 Preview, saving $2.4 (100% lower).
- Xing4.0 29B A4B (free) is free for the standard workload while the other model is estimated at $2.4.
- Xing4.0 29B A4B (free) is free for input tokens while Pareto 26.10 Preview costs $0.8 per 1M tokens.
- Xing4.0 29B A4B (free) is free for output tokens while Pareto 26.10 Preview costs $3.2 per 1M tokens.
- Pareto 26.10 Preview has 786.43K more context (4x larger).
| Feature | NewXing4.0 29B A4B (free) (XingChen) | Pareto 26.10 Preview (unbiased) |
|---|---|---|
| Input Price prompt tokens per 1M | $0 | $0.8 |
| Completion Price per 1M tokens | $0 | $3.2 |
| Sample Workload Cost 1M input + 500K output | $0 | $2.4 |
| Context Window | 262.14K | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Xing4.0 29B A4B (free) | On the standard 1M input plus 500K output workload, Xing4.0 29B A4B (free) is estimated at $0 vs $2.4 for Pareto 26.10 Preview, saving $2.4 (100% lower). |
| High-volume input processing | Xing4.0 29B A4B (free) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Xing4.0 29B A4B (free) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Pareto 26.10 Preview | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- No lower-cost same-provider swap is currently tracked for this pair.
- 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.
- Llama 4 Scout offers 1.31M context with $0.25 sample workload cost.
- MiMo-V2.6-Flash offers 1.05M context with $0.28 sample workload cost.
- DeepSeek V4.1 Flash · DeepSeek · #1
- Step 5 Preview · StepFun · #2
- GLM 5.3 Flash · Z.ai · #3
- MiMo-V2.6-Flash · Xiaomi · #4
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