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Agentic Chat (GPT-5.6 Terra)
openai·openai/duo-chat-gpt-5-6-terra·GA·Closed·gpt-terra series·NEW
Balanced GPT-5.6 model for capable, cost-efficient everyday work
At a glance
Reference price$0 / $0 per 1M
Cache read $0 · GitLab Duo
Lowest paidNo paid channels
1 more $0 channels
Context1,050,000
Output limit128,000
Capabilities
✓ Reasoning✓ Tool use✓ Structured outputTemperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff2026-02-16
Released / updated2026-07-09 / 2026-07-09
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers0 with public prices · 1 free
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| GitLab Duo | Cloud | Free | $0 | $0 | 1,050,000 | 128,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
This model is $0 across all listed channels (GitLab Duo).
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
Upstream provides no control info
1 / 1 providers expose no reasoning control (reasoning_options: []).
Related models
GPT-5.6 Terrasame series$2.00 / $12.00GPT-5.6 Terra Prosame series$3.13 / $18.75GPT-5.6 Terra (Global)same series$2.20 / $13.20
Price historyone sample accumulated per data sync
Input listOutput listMin blended