Intelligence Index
0142.3
> 93% OF MODELS
OpenAI
GPT-5.6 Terra
Updated: September 2026
The balanced GPT-5.6 model for production agents, coding, and general professional workloads.
Specifications
- Context
- 1M
- Max Output
- 128K
- Input Modalities
- Image, Text, File
- Output Modalities
- Text
- Input
- $1/M
- Output
- $6/M
Capabilities
VISIONTHINKINGCODINGWRITING
Similarly Priced Models
| Model | Provider | Context | Input Price | Output Price |
|---|---|---|---|---|
| Grok Build 0.1 | xAI | 256K | $1/M | $2/M |
| MiMo V2.5 Pro |  Xiaomi | 1M | $1/M | $3/M |
| Gemini 3.1 Pro Preview (batch) | Google | 1M | $1/M | $6/M |
| Claude Haiku 4.5 | Anthropic | 200K | $1/M | $5/M |
| Claude Haiku 4.5 | Anthropic | 200K | $1/M | $5/M |
Performance Metrics
Coding Index
0276.7
> 95% OF MODELS
Agentic Index
0343.7
> 83% OF MODELS
Average Response Performance
- Output Speed
- 97.3 tok/s
- Time To First Token
- 162.07s
- Time To First Answer Token
- 162.07s
- End To End Response Time
- 167.21s
DATA SOURCE: Artificial Analysis