OpenAI GPT Terra Latest is $1 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
API cost decision in 10 seconds
NewOpenAI GPT Terra Latest vs Aion-3.0
Pick Aion-3.0 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 Aion-3.0 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, Aion-3.0 is estimated at $6 vs $8 for OpenAI GPT Terra Latest, saving $2 (25% lower).
Cost-first pickAion-3.0
Context-first pickOpenAI GPT Terra Latest
Sample savings$225%
10x traffic gap$20
OpenAI GPT Terra Latest has more context, but Aion-3.0 saves $2 on the standard workload. At 10x that traffic, the same price gap is about $20. 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 Terra Latest, balanced workload favors Aion-3.0, and output-heavy chatbot favors Aion-3.0.
| Workload shape | Token mix | Better pick | OpenAI GPT Terra Latest | Aion-3.0 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | OpenAI GPT Terra Latest | $16 | $18 |
| Balanced workload | 1M input + 1M output | Aion-3.0 | $14 | $9 |
| Output-heavy chatbot | 1M input + 5M output | Aion-3.0 | $62 | $33 |
Aion-3.0 is $6 cheaper per 1M output tokens (50% lower; 2x difference).
OpenAI GPT Terra Latest has 918.93K more context (8.01x larger).
Aion-3.0 is $2 cheaper on the standard workload (25% 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 Terra Latest has the lower input price; Aion-3.0 has the lower output price; OpenAI GPT Terra 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 $8 for OpenAI GPT Terra Latest and $6 for Aion-3.0.
Choose OpenAI GPT Terra Latest when you care most about lower input-token price, and larger context window.
Choose Aion-3.0 when you care most about lower output-token price.
- On the standard 1M input plus 500K output workload, Aion-3.0 is estimated at $6 vs $8 for OpenAI GPT Terra Latest, saving $2 (25% lower).
- Aion-3.0 is $2 cheaper on the standard workload (25% lower).
- OpenAI GPT Terra Latest is $1 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
- Aion-3.0 is $6 cheaper per 1M output tokens (50% lower; 2x difference).
- OpenAI GPT Terra Latest has 918.93K more context (8.01x larger).
| Feature | NewOpenAI GPT Terra Latest (OpenAI) | Aion-3.0 (AionLabs) |
|---|---|---|
| Input Price prompt tokens per 1M | $2 | $3 |
| Completion Price per 1M tokens | $12 | $6 |
| Sample Workload Cost 1M input + 500K output | $8 | $6 |
| Context Window | 1.05M | 131.07K |
| 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 $8 for OpenAI GPT Terra Latest, saving $2 (25% lower). |
| High-volume input processing | OpenAI GPT Terra 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 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
Cheaper alternatives
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