Nex-N2.5-Mini (free) is free for input tokens while OpenAI GPT Terra Latest costs $2 per 1M tokens.
API cost decision in 10 seconds
NewOpenAI GPT Terra Latest vs NewNex-N2.5-Mini (free)
Pick Nex-N2.5-Mini (free) for lower cost; pick OpenAI GPT Terra 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 Nex-N2.5-Mini (free) for lower cost; pick OpenAI GPT Terra Latest only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Nex-N2.5-Mini (free) is estimated at $0 vs $8 for OpenAI GPT Terra Latest, saving $8 (100% lower).
Cost-first pickNex-N2.5-Mini (free)
Context-first pickOpenAI GPT Terra Latest
Sample savings$8100%
10x traffic gap$80
OpenAI GPT Terra Latest has more context, but Nex-N2.5-Mini (free) saves $8 on the standard workload. At 10x that traffic, the same price gap is about $80. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Nex-N2.5-Mini (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | OpenAI GPT Terra Latest | Nex-N2.5-Mini (free) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Nex-N2.5-Mini (free) | $16 | $0 |
| Balanced workload | 1M input + 1M output | Nex-N2.5-Mini (free) | $14 | $0 |
| Output-heavy chatbot | 1M input + 5M output | Nex-N2.5-Mini (free) | $62 | $0 |
Nex-N2.5-Mini (free) is free for output tokens while OpenAI GPT Terra Latest costs $12 per 1M tokens.
OpenAI GPT Terra Latest has 787.86K more context (4.01x larger).
Nex-N2.5-Mini (free) is free for the standard workload while the other model is estimated at $8.
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-N2.5-Mini (free) has the lower input price; Nex-N2.5-Mini (free) has the lower output price; OpenAI GPT Terra Latest offers the larger context window. For the 1M input plus 500K output sample, Nex-N2.5-Mini (free) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $8 for OpenAI GPT Terra Latest and $0 for Nex-N2.5-Mini (free).
Choose OpenAI GPT Terra Latest when you care most about larger context window.
Choose Nex-N2.5-Mini (free) when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Nex-N2.5-Mini (free) is estimated at $0 vs $8 for OpenAI GPT Terra Latest, saving $8 (100% lower).
- Nex-N2.5-Mini (free) is free for the standard workload while the other model is estimated at $8.
- Nex-N2.5-Mini (free) is free for input tokens while OpenAI GPT Terra Latest costs $2 per 1M tokens.
- Nex-N2.5-Mini (free) is free for output tokens while OpenAI GPT Terra Latest costs $12 per 1M tokens.
- OpenAI GPT Terra Latest has 787.86K more context (4.01x larger).
| Feature | NewOpenAI GPT Terra Latest (OpenAI) | NewNex-N2.5-Mini (free) (Nex AGI) |
|---|---|---|
| Input Price prompt tokens per 1M | $2 | $0 |
| Completion Price per 1M tokens | $12 | $0 |
| Sample Workload Cost 1M input + 500K output | $8 | $0 |
| Context Window | 1.05M | 262.14K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Nex-N2.5-Mini (free) | On the standard 1M input plus 500K output workload, Nex-N2.5-Mini (free) is estimated at $0 vs $8 for OpenAI GPT Terra Latest, saving $8 (100% lower). |
| High-volume input processing | Nex-N2.5-Mini (free) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Nex-N2.5-Mini (free) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | OpenAI GPT Terra Latest | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace OpenAI GPT Terra Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace OpenAI GPT Terra Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace OpenAI GPT Terra Latest when lower sample workload cost matters most: $0.1.
- gpt-oss-120b can replace OpenAI GPT Terra Latest when lower sample workload cost matters most: $0.12.
- 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.
- GLM 5.3 Flash offers 1.31M context with $0.4 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.08 sample workload cost.
- Hy4 preview · Tencent · #1
- GPT-5.6 Luna · OpenAI · #2
- GLM 5.3 Flash · Z.ai · #3
- DeepSeek V4 Flash 0731 · DeepSeek · #4
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