GPT-5.6 Terra
OpenAI · Mid · Multimodal
A midrange model in OpenAI's GPT-5.6 series that balances capability and efficiency with a 1.05M token context window.
- Strengths
- Handles coding, reasoning, and agentic tasks effectively while maintaining reasonable resource efficiency for production workloads.
- Best for
- General-purpose development work including code generation, multi-step reasoning, and autonomous agent orchestration at scale.
- Limitations
- Not positioned as the most capable tier for cutting-edge reasoning or the most economical for simple text-only tasks that don't require extensive context.
Input / 1M
$2.50
Output / 1M
$15.00
Cached input / 1M
$0.25
Context window
1.05M
Also billed
- Cache write
- $3.12 / 1M
Flagship prices over time
Every provider's most-powerful model, priced at launch, charted on one log axis.
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 10 Jul 2026 | $2.50 | $15.00 | $0.25 | Imported from OpenRouter | openrouter.ai |