GPT-6.1 Terra is $0.5 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
API cost decision in 10 seconds
NewGemini Omni 1.1 Flash vs NewGPT-6.1 Terra
Pick GPT-6.1 Terra when budget and context both matter.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick GPT-6.1 Terra when budget and context both matter.
On the standard 1M input plus 500K output workload, GPT-6.1 Terra is estimated at $3.5 vs $6 for Gemini Omni 1.1 Flash, saving $2.5 (41.7% lower).
Cost-first pickGPT-6.1 Terra
Context-first pickGPT-6.1 Terra
Sample savings$2.541.7%
10x traffic gap$25
GPT-6.1 Terra is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $25. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
GPT-6.1 Terra stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Gemini Omni 1.1 Flash | GPT-6.1 Terra |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | GPT-6.1 Terra | $12 | $7.5 |
| Balanced workload | 1M input + 1M output | GPT-6.1 Terra | $10.5 | $6 |
| Output-heavy chatbot | 1M input + 5M output | GPT-6.1 Terra | $46.5 | $26 |
GPT-6.1 Terra is $4 cheaper per 1M output tokens (44.4% lower; 1.8x difference).
GPT-6.1 Terra has 918.93K more context (8.01x larger).
GPT-6.1 Terra is $2.5 cheaper on the standard workload (41.7% 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
GPT-6.1 Terra has the lower input price; GPT-6.1 Terra has the lower output price; GPT-6.1 Terra offers the larger context window. For the 1M input plus 500K output sample, GPT-6.1 Terra is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $6 for Gemini Omni 1.1 Flash and $3.5 for GPT-6.1 Terra.
Choose Gemini Omni 1.1 Flash when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
Choose GPT-6.1 Terra when you care most about lower input-token price, lower output-token price, and larger context window.
- On the standard 1M input plus 500K output workload, GPT-6.1 Terra is estimated at $3.5 vs $6 for Gemini Omni 1.1 Flash, saving $2.5 (41.7% lower).
- GPT-6.1 Terra is $2.5 cheaper on the standard workload (41.7% lower).
- GPT-6.1 Terra is $0.5 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
- GPT-6.1 Terra is $4 cheaper per 1M output tokens (44.4% lower; 1.8x difference).
- GPT-6.1 Terra has 918.93K more context (8.01x larger).
| Feature | NewGemini Omni 1.1 Flash (Google) | NewGPT-6.1 Terra (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $1.5 | $1 |
| Completion Price per 1M tokens | $9 | $5 |
| Sample Workload Cost 1M input + 500K output | $6 | $3.5 |
| Context Window | 131.07K | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | GPT-6.1 Terra | On the standard 1M input plus 500K output workload, GPT-6.1 Terra is estimated at $3.5 vs $6 for Gemini Omni 1.1 Flash, saving $2.5 (41.7% lower). |
| High-volume input processing | GPT-6.1 Terra | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | GPT-6.1 Terra | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GPT-6.1 Terra | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
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