OpenAI GPT Latest is $1 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
API cost decision in 10 seconds
Aion-3.0 vs OpenAI GPT Latest
Pick Aion-3.0 for lower cost; pick OpenAI GPT 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 Aion-3.0 for lower cost; pick OpenAI GPT Latest only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Aion-3.0 is estimated at $6 vs $7 for OpenAI GPT Latest, saving $1 (14.3% lower).
Cost-first pickAion-3.0
Context-first pickOpenAI GPT Latest
Sample savings$114.3%
10x traffic gap$10
OpenAI GPT Latest has more context, but Aion-3.0 saves $1 on the standard workload. At 10x that traffic, the same price gap is about $10. 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 OpenAI GPT Latest, balanced workload favors Aion-3.0, and output-heavy chatbot favors Aion-3.0.
| Workload shape | Token mix | Better pick | Aion-3.0 | OpenAI GPT Latest |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | OpenAI GPT Latest | $18 | $15 |
| Balanced workload | 1M input + 1M output | Aion-3.0 | $9 | $12 |
| Output-heavy chatbot | 1M input + 5M output | Aion-3.0 | $33 | $52 |
Aion-3.0 is $4 cheaper per 1M output tokens (40% lower; 1.67x difference).
OpenAI GPT Latest has 918.93K more context (8.01x larger).
Aion-3.0 is $1 cheaper on the standard workload (14.3% 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
OpenAI GPT Latest has the lower input price; Aion-3.0 has the lower output price; OpenAI GPT Latest offers the larger context window. For the 1M input plus 500K output sample, Aion-3.0 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $6 for Aion-3.0 and $7 for OpenAI GPT Latest.
Choose Aion-3.0 when you care most about lower output-token price.
Choose OpenAI GPT Latest when you care most about lower input-token price, and larger context window.
- On the standard 1M input plus 500K output workload, Aion-3.0 is estimated at $6 vs $7 for OpenAI GPT Latest, saving $1 (14.3% lower).
- Aion-3.0 is $1 cheaper on the standard workload (14.3% lower).
- OpenAI GPT Latest is $1 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
- Aion-3.0 is $4 cheaper per 1M output tokens (40% lower; 1.67x difference).
- OpenAI GPT Latest has 918.93K more context (8.01x larger).
| Feature | Aion-3.0 (AionLabs) | OpenAI GPT Latest (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $3 | $2 |
| Completion Price per 1M tokens | $6 | $10 |
| Sample Workload Cost 1M input + 500K output | $6 | $7 |
| Context Window | 131.07K | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Aion-3.0 | On the standard 1M input plus 500K output workload, Aion-3.0 is estimated at $6 vs $7 for OpenAI GPT Latest, saving $1 (14.3% lower). |
| High-volume input processing | OpenAI GPT Latest | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Aion-3.0 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | OpenAI GPT Latest | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Aion-3.0-Mini can replace Aion-3.0 when lower sample workload cost matters most: $1.4.
- Aion-1.0-Mini can replace Aion-3.0 when lower sample workload cost matters most: $1.4.
- Aion-2.0 can replace Aion-3.0 when lower sample workload cost matters most: $1.6.
- Aion-RP 1.0 (8B) can replace Aion-3.0 when lower sample workload cost matters most: $1.6.
- 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 modelsAion-3.0 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each contribute...
This model always redirects to the latest model in the OpenAI GPT family.