Nex-N2-Mini is $14.97 cheaper per 1M input tokens (99.8% lower; 600x difference).
API cost decision in 10 seconds
Nex-N2-Mini vs GPT-5.5 Pro (batch)
Pick Nex-N2-Mini for lower cost; pick GPT-5.5 Pro (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 Nex-N2-Mini for lower cost; pick GPT-5.5 Pro (batch) only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Nex-N2-Mini is estimated at $0.08 vs $60 for GPT-5.5 Pro (batch), saving $59.92 (99.9% lower).
Cost-first pickNex-N2-Mini
Context-first pickGPT-5.5 Pro (batch)
Sample savings$59.9299.9%
10x traffic gap$599.25
GPT-5.5 Pro (batch) has more context, but Nex-N2-Mini saves $59.92 on the standard workload. At 10x that traffic, the same price gap is about $599.25. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Nex-N2-Mini stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Nex-N2-Mini | GPT-5.5 Pro (batch) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Nex-N2-Mini | $0.17 | $120 |
| Balanced workload | 1M input + 1M output | Nex-N2-Mini | $0.12 | $105 |
| Output-heavy chatbot | 1M input + 5M output | Nex-N2-Mini | $0.53 | $465 |
Nex-N2-Mini is $89.9 cheaper per 1M output tokens (99.9% lower; 900x difference).
GPT-5.5 Pro (batch) has 787.86K more context (4.01x larger).
Nex-N2-Mini is $59.92 cheaper on the standard workload (99.9% 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
Nex-N2-Mini has the lower input price; Nex-N2-Mini has the lower output price; GPT-5.5 Pro (batch) offers the larger context window. For the 1M input plus 500K output sample, Nex-N2-Mini is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.08 for Nex-N2-Mini and $60 for GPT-5.5 Pro (batch).
Choose Nex-N2-Mini when you care most about lower input-token price, and lower output-token price.
Choose GPT-5.5 Pro (batch) when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Nex-N2-Mini is estimated at $0.08 vs $60 for GPT-5.5 Pro (batch), saving $59.92 (99.9% lower).
- Nex-N2-Mini is $59.92 cheaper on the standard workload (99.9% lower).
- Nex-N2-Mini is $14.97 cheaper per 1M input tokens (99.8% lower; 600x difference).
- Nex-N2-Mini is $89.9 cheaper per 1M output tokens (99.9% lower; 900x difference).
- GPT-5.5 Pro (batch) has 787.86K more context (4.01x larger).
| Feature | Nex-N2-Mini (Nex AGI) | GPT-5.5 Pro (batch) (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.025 | $15 |
| Completion Price per 1M tokens | $0.1 | $90 |
| Sample Workload Cost 1M input + 500K output | $0.08 | $60 |
| Context Window | 262.14K | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Nex-N2-Mini | On the standard 1M input plus 500K output workload, Nex-N2-Mini is estimated at $0.08 vs $60 for GPT-5.5 Pro (batch), saving $59.92 (99.9% lower). |
| High-volume input processing | Nex-N2-Mini | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Nex-N2-Mini | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GPT-5.5 Pro (batch) | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Nex-N2-Pro (free) can replace Nex-N2-Mini when lower sample workload cost matters most: $0.
- gpt-oss-120b (free) can replace GPT-5.5 Pro (batch) when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace GPT-5.5 Pro (batch) when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace GPT-5.5 Pro (batch) when lower sample workload cost matters most: $0.1.
- 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
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Open OpenAI modelsNex-N2-Mini is an open-source agentic mixture-of-experts model from Nex AGI, the smaller sibling in the Nex-N2 series. It accepts text and image input and is built for coding, tool use,...
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...