Primary use stated or inferred cautiously from official documentation.
O
OPENAI / gpt-5.6-terra
GPT‑5.6 Terra
Tasks requiring a balance of quality, speed, and cost.
01 / SUMMARY
The essential
Maximum input capacity when published by the source.
Documented maximum generation limit.
Verified availability channels.
Primary functional family and verified specialties.
Declared terms for API access, model weights, or self-hosting.
02 / TECHNICAL SHEET
Limits and integration
| API ID | gpt-5.6-terra |
|---|---|
| Model type | Text and reasoning |
| Access model | Paid proprietary |
| License | Proprietary |
| Deployment | Hosted API |
| Release | JUL 2026 |
| Knowledge cutoff | 16 FEB 2026 |
| Entrance | Text · Image |
| Exit | Text |
| Context window | 1,050,000 tokens |
| maximum output | 128,000 tokens |
| Reasoning | none, low, medium, high, xhigh, and max effort |
| Published tools | Features · Web search · File search · Computer use |
| Structured Outings | Supported |
| Batch processing | Compatible · 50% discount |
| Prompt cache | Compatible · 90% discount on reads |
| Fine-tuning | Not published |
| Verified platforms | OpenAI API |
Tasks requiring a balance of quality, speed, and cost.
Cost and performance depend on the reasoning level.
03 / CAPABILITIES
What it can do
Orientation
Tasks requiring a balance of quality, speed, and cost.
Context
1.050.000 tokens · 128.000 tokens
Tools and integration
Features · Web search · File search · Computer use
Access
OpenAI API · Responses and Chat Completions
Input modalities
TextImage
04 / PRICES
Documented cost
| Concept | Worth | Unit/condition |
|---|---|---|
| Standard input | 2,00 USD / 1 M tokens | Standard API rate |
| Cached input | 0,20 USD / 1 M tokens | Reading reused prefixes |
| Cache write or storage | 2.50 USD / 1 M tokens | The condition varies by provider |
| Standard output | 12,00 USD / 1 M tokens | May include reasoning tokens |
| Batch input | 1.00 USD / 1 M tokens | Asynchronous processing |
| Batch output | 6,00 USD / 1 M tokens | Asynchronous processing |
Consult the primary source before budgeting for a deployment.
i Prices change and may depend on level, region or context length. Check the source before making a decision.
05 / EVALUATIONS
How to read the results
“
A public benchmark provides guidance, but does not replace an evaluation with your data, tools, budget, and error tolerance.
| Benchmark | Result | Metric | Source |
|---|---|---|---|
| Agents' Last Exam | 50,4 % | Accuracy | View source ↗ |
| SWE-Bench Pro | 63,4 % | Resolved | View source ↗ |
| Terminal-Bench 2.1 | 87,4 % | Accuracy | View source ↗ |
Inferama only highlights a “best result” when the metric, test set, configuration, and date allow for an equivalent comparison. The supplier's figures are presented as claims from its own source.
06 / VERSIONS
Chronology
GPT‑5.6 Terra
Version added to Inferama's verified catalog.
ANALYSIS
Related analysis
07 / SOURCES