Pareto 26.10 Preview is $0.2 cheaper per 1M input tokens (20% lower; 1.25x difference).
API cost decision in 10 seconds
NewPareto 26.10 Preview vs GPT-6 Sol Pro (batch)
Pick Pareto 26.10 Preview for lower cost; pick GPT-6 Sol Pro (batch) only if the larger context window matters more.
Budget verdict
Pick Pareto 26.10 Preview for lower cost; pick GPT-6 Sol Pro (batch) only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Pareto 26.10 Preview is estimated at $2.4 vs $3.5 for GPT-6 Sol Pro (batch), saving $1.1 (31.4% lower).
GPT-6 Sol Pro (batch) has more context, but Pareto 26.10 Preview saves $1.1 on the standard workload. At 10x that traffic, the same price gap is about $11. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Pareto 26.10 Preview stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Pareto 26.10 Preview | GPT-6 Sol Pro (batch) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Pareto 26.10 Preview | $5.6 | $7.5 |
| Balanced workload | 1M input + 1M output | Pareto 26.10 Preview | $4 | $6 |
| Output-heavy chatbot | 1M input + 5M output | Pareto 26.10 Preview | $16.8 | $26 |
Pareto 26.10 Preview is $1.8 cheaper per 1M output tokens (36% lower; 1.56x difference).
GPT-6 Sol Pro (batch) has 1.42K more context (1x larger).
Pareto 26.10 Preview is $1.1 cheaper on the standard workload (31.4% 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
Pareto 26.10 Preview has the lower input price; Pareto 26.10 Preview has the lower output price; GPT-6 Sol Pro (batch) offers the larger context window. For the 1M input plus 500K output sample, Pareto 26.10 Preview is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $2.4 for Pareto 26.10 Preview and $3.5 for GPT-6 Sol Pro (batch).
Choose Pareto 26.10 Preview when you care most about lower input-token price, and lower output-token price.
Choose GPT-6 Sol Pro (batch) when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Pareto 26.10 Preview is estimated at $2.4 vs $3.5 for GPT-6 Sol Pro (batch), saving $1.1 (31.4% lower).
- Pareto 26.10 Preview is $1.1 cheaper on the standard workload (31.4% lower).
- Pareto 26.10 Preview is $0.2 cheaper per 1M input tokens (20% lower; 1.25x difference).
- Pareto 26.10 Preview is $1.8 cheaper per 1M output tokens (36% lower; 1.56x difference).
- GPT-6 Sol Pro (batch) has 1.42K more context (1x larger).
| Feature | NewPareto 26.10 Preview (unbiased) | GPT-6 Sol Pro (batch) (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.8 | $1 |
| Completion Price per 1M tokens | $3.2 | $5 |
| Sample Workload Cost 1M input + 500K output | $2.4 | $3.5 |
| Context Window | 1.05M | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Pareto 26.10 Preview | On the standard 1M input plus 500K output workload, Pareto 26.10 Preview is estimated at $2.4 vs $3.5 for GPT-6 Sol Pro (batch), saving $1.1 (31.4% lower). |
| High-volume input processing | Pareto 26.10 Preview | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Pareto 26.10 Preview | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GPT-6 Sol Pro (batch) | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace GPT-6 Sol Pro (batch) when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace GPT-6 Sol Pro (batch) when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace GPT-6 Sol Pro (batch) when lower sample workload cost matters most: $0.06.
- gpt-oss-20b (batch) can replace GPT-6 Sol Pro (batch) when lower sample workload cost matters most: $0.08.
- 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 $0.47 sample workload cost.
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