Intelligence Index
0155.0
> 98% OF MODELS
OpenAI
GPT-5.6 Terra
Updated: July 2026
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...
Specifications
- Context
- 1M
- Input
- $2.5/M
- Output
- $15/M
Capabilities
VISIONTEXTWEBCODINGTHINKINGWRITING
Similarly Priced Models
| Model | Provider | Context | Input Price | Output Price |
|---|---|---|---|---|
| GPT-5.6 Terra Pro | OpenAI | 1M | $2.5/M | $15/M |
| Qwen3.7 Max | Qwen | 1M | $2.5/M | $7.5/M |
| Chatgpt 5.4 | OpenAI | 1M | $2.5/M | $15/M |
| Chatgpt 5.4 | OpenAI | 1M | $2.5/M | $15/M |
| GPT Audio | OpenAI | 128K | $2.5/M | $10/M |
Performance Metrics
Coding Index
0276.7
> 99% OF MODELS
Agentic Index
0347.4
> 98% OF MODELS
Average Response Performance
- Output Speed
- 163.7 tok/s
- Time To First Token
- 151.77s
- Time To First Answer Token
- 151.77s
- End To End Response Time
- 154.83s
DATA SOURCE: Artificial Analysis