GPT Sol Latest is $0.5 cheaper per 1M input tokens (20% lower; 1.25x difference).
API cost decision in 10 seconds
NewPareto 26.9 vs GPT Sol Latest
Pick Pareto 26.9 for lower cost; pick GPT Sol Latest 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 Pareto 26.9 for lower cost; pick GPT Sol Latest only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Pareto 26.9 is estimated at $6.25 vs $7 for GPT Sol Latest, saving $0.75 (10.7% lower).
Cost-first pickPareto 26.9
Context-first pickGPT Sol Latest
Sample savings$0.7510.7%
10x traffic gap$7.5
GPT Sol Latest has more context, but Pareto 26.9 saves $0.75 on the standard workload. At 10x that traffic, the same price gap is about $7.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Cost winner changes by workload shape: input-heavy / RAG favors GPT Sol Latest, balanced workload favors Pareto 26.9, and output-heavy chatbot favors Pareto 26.9.
| Workload shape | Token mix | Better pick | Pareto 26.9 | GPT Sol Latest |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | GPT Sol Latest | $16.25 | $15 |
| Balanced workload | 1M input + 1M output | Pareto 26.9 | $10 | $12 |
| Output-heavy chatbot | 1M input + 5M output | Pareto 26.9 | $40 | $52 |
Pareto 26.9 is $2.5 cheaper per 1M output tokens (25% lower; 1.33x difference).
GPT Sol Latest has 787.86K more context (4.01x larger).
Pareto 26.9 is $0.75 cheaper on the standard workload (10.7% 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
GPT Sol Latest has the lower input price; Pareto 26.9 has the lower output price; GPT Sol Latest offers the larger context window. For the 1M input plus 500K output sample, Pareto 26.9 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $6.25 for Pareto 26.9 and $7 for GPT Sol Latest.
Choose Pareto 26.9 when you care most about lower output-token price.
Choose GPT Sol Latest when you care most about lower input-token price, and larger context window.
- On the standard 1M input plus 500K output workload, Pareto 26.9 is estimated at $6.25 vs $7 for GPT Sol Latest, saving $0.75 (10.7% lower).
- Pareto 26.9 is $0.75 cheaper on the standard workload (10.7% lower).
- GPT Sol Latest is $0.5 cheaper per 1M input tokens (20% lower; 1.25x difference).
- Pareto 26.9 is $2.5 cheaper per 1M output tokens (25% lower; 1.33x difference).
- GPT Sol Latest has 787.86K more context (4.01x larger).
| Feature | NewPareto 26.9 (unbiased) | GPT Sol Latest (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $2.5 | $2 |
| Completion Price per 1M tokens | $7.5 | $10 |
| Sample Workload Cost 1M input + 500K output | $6.25 | $7 |
| Context Window | 262.14K | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Pareto 26.9 | On the standard 1M input plus 500K output workload, Pareto 26.9 is estimated at $6.25 vs $7 for GPT Sol Latest, saving $0.75 (10.7% lower). |
| High-volume input processing | GPT Sol Latest | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Pareto 26.9 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GPT Sol Latest | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Pareto 26.10 Preview can replace Pareto 26.9 when lower sample workload cost matters most: $2.4.
- gpt-oss-120b (free) can replace GPT Sol Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace GPT Sol Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace GPT Sol Latest when lower sample workload cost matters most: $0.06.
- 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.
- DeepSeek V4.1 Flash · DeepSeek · #1
- Step 5 Preview · StepFun · #2
- GLM 5.3 Flash · Z.ai · #3
- MiMo-V2.6-Flash · Xiaomi · #4
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
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