Particle-1 is $1.75 cheaper per 1M input tokens (87.5% lower; 8x difference).
API cost decision in 10 seconds
NewParticle-1 vs GPT Sol Latest
Pick Particle-1 for lower cost; pick GPT Sol Latest only if the larger context window matters more.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Particle-1 for lower cost; pick GPT Sol Latest only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Particle-1 is estimated at $0.75 vs $7 for GPT Sol Latest, saving $6.25 (89.3% lower).
Cost-first pickParticle-1
Context-first pickGPT Sol Latest
Sample savings$6.2589.3%
10x traffic gap$62.5
GPT Sol Latest has more context, but Particle-1 saves $6.25 on the standard workload. At 10x that traffic, the same price gap is about $62.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Particle-1 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Particle-1 | GPT Sol Latest |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Particle-1 | $1.75 | $15 |
| Balanced workload | 1M input + 1M output | Particle-1 | $1.25 | $12 |
| Output-heavy chatbot | 1M input + 5M output | Particle-1 | $5.25 | $52 |
Particle-1 is $9 cheaper per 1M output tokens (90% lower; 10x difference).
GPT Sol Latest has 1.42K more context (1x larger).
Particle-1 is $6.25 cheaper on the standard workload (89.3% 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
Particle-1 has the lower input price; Particle-1 has the lower output price; GPT Sol Latest offers the larger context window. For the 1M input plus 500K output sample, Particle-1 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.75 for Particle-1 and $7 for GPT Sol Latest.
Choose Particle-1 when you care most about lower input-token price, and lower output-token price.
Choose GPT Sol Latest when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Particle-1 is estimated at $0.75 vs $7 for GPT Sol Latest, saving $6.25 (89.3% lower).
- Particle-1 is $6.25 cheaper on the standard workload (89.3% lower).
- Particle-1 is $1.75 cheaper per 1M input tokens (87.5% lower; 8x difference).
- Particle-1 is $9 cheaper per 1M output tokens (90% lower; 10x difference).
- GPT Sol Latest has 1.42K more context (1x larger).
| Feature | NewParticle-1 (Particle AI) | GPT Sol Latest (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.25 | $2 |
| Completion Price per 1M tokens | $1 | $10 |
| Sample Workload Cost 1M input + 500K output | $0.75 | $7 |
| Context Window | 1.05M | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Particle-1 | On the standard 1M input plus 500K output workload, Particle-1 is estimated at $0.75 vs $7 for GPT Sol Latest, saving $6.25 (89.3% lower). |
| High-volume input processing | Particle-1 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Particle-1 | 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
- 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.
- gpt-oss-20b (batch) can replace GPT Sol Latest 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 $0.25 sample workload cost.
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Open OpenAI modelsParticle-1 is a token-efficient agentic coding model from Particle AI, post-trained on DeepSeek V4.1 Flash. It is suited for software engineering work such as terminal workflows, codebase changes, and data...
This model always redirects to the latest model in the GPT Sol family.