PickAIModel.com - GPT-5.6 Terra Model Detail
Reviewed by the PickAIModel.com editorial team. Last reviewed 2026-09-03. About the publisher and review methodology.
OpenAI
Free is free, so PickAI Conversation Value is not computed as a monthly buying-power figure.
PickAI Conversation Value measures buying power at published API rates using the shared standard conversation basket.
Standout feature
GPT-5.6 Terra — balanced GPT-5.6 tier
The balanced GPT-5.6 option for everyday work, trading some peak capability for lower cost.
Images and files
Supports text and image input with text output, functions, web search, file search, and computer use.
PickAI benchmark
Move the usage slider to see how the monthly price translates into PickAI Conversation Value at published API rates.
PickAI conversation value
Free tier
Usage intensity
One normal prompt, one full reply, and a couple of follow-up turns.
Selected tier
Free
PickAI Conversation Value
Free tier
Standard basket
3K tokens/chat
Free is free, so PickAI Conversation Value is not computed as a monthly buying-power figure.
This plan is free, so there is no monthly price basis to turn into a buying-power number.
API pricing basis: $30 / 1M input, $2.5 / 1M output
PickAI Conversation Value measures buying power at published API rates using the shared standard conversation basket.
| Tier | Monthly price | PickAI Conversation Value | Standard basket | Rate note |
|---|---|---|---|---|
FreePrimary Free tier | $0 | Free tier | 3,000 tokens | Free access exists, but the vendor does not publish a fixed monthly token allowance for this hosted tier and practical limits vary by workload. |
Consumer access
Consumer plan pricing was not available in the current snapshot.
Hosted app availability is grounded in the current official vendor surface.
What it feels like
Official ecosystem
These are the verified first-party tools or official product surfaces currently listed for GPT-5.6 Terra. If there is no verified specialized tool beyond a general chat surface, this section stays minimal.
No separate specialized tool bundle is asserted for the model row.
GPT-5.6 Terra is the balanced tier for everyday professional and coding workloads. It gives up some peak performance versus Sol in exchange for lower token pricing, making it the practical default when both capability and cost matter.
Head-to-head pages
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Modalities and tool support from the official OpenAI model catalog.
For cautious buyers
Maker-country caution only; no plan-specific privacy promise is asserted.
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Humanity's Last Exam Live source acquisition | Normalized quality input | VALUEQUALITY | VALUE: 40% [SMARTNESS] QUALITY: 66.7% [REASONING] | Contributes 6.9 pts to Value score Contributes 38.4 pts to Quality score | 42.9% | Artificial Analysis GPT-5.6 Terra max analysis page Independent Artificial Analysis HLE result for the max-reasoning model variant. Treat as tier-3 provisional evidence and do not describe it as OpenAI-published no-tools HLE. | 2026-09-03 |
AA-Omniscience GPT-5.6 Terra (max) AA-Omniscience Index | AA-Omniscience Index | Reference only | Not used in Quality or Value scoring. | Informational evidence only. | -0.2 | Artificial Analysis AA-Omniscience evaluation Independent Artificial Analysis result for GPT-5.6 Terra (max). Display-only; this row does not affect Quality or Value scores. | 2026-07-13 |
SWE-Bench Pro Live source acquisition | Normalized quality input | QUALITY | QUALITY: 33.3% [CODING] | Contributes 20.4 pts to Quality score | 63.4% | OpenAI GPT-5.6 release OpenAI official GPT-5.6 launch table. Results are vendor-reported and must retain the named model tier, reasoning setting, benchmark version, and harness caveats. | 2026-09-03 |
Terminal-Bench 2.1 GPT-5.6 Terra Terminal-Bench 2.1 | Agentic terminal task completion | Reference only | Not used in Quality or Value scoring. | Informational evidence only. | 87.4% | OpenAI GPT-5.6 announcement OpenAI vendor-reported GPT-5.6 Terra Terminal-Bench 2.1 result. Do not substitute Sol, Luna, or another evaluation tier. | 2026-09-03 |
GPQA Diamond Live source acquisition | Normalized quality input | Reference only | Not used in Quality or Value scoring. | Informational evidence only. | 92.9% | OpenAI GPT-5.6 release OpenAI official GPT-5.6 launch table. Results are vendor-reported and must retain the named model tier, reasoning setting, benchmark version, and harness caveats. | 2026-09-03 |
MRCR v2 Live source acquisition | OpenAI MRCR v2 8-needle | Reference only | Not used in Quality or Value scoring. | Informational evidence only. | 89.6% | OpenAI GPT-5.6 release OpenAI official GPT-5.6 launch table. Results are vendor-reported and must retain the named model tier, reasoning setting, benchmark version, and harness caveats. | 2026-09-03 |
MRCR v2 Live source acquisition | 1M retrieval | Reference only | Not used in Quality or Value scoring. | Informational evidence only. | 89.6% | OpenAI GPT-5.6 release OpenAI official GPT-5.6 launch table. Results are vendor-reported and must retain the named model tier, reasoning setting, benchmark version, and harness caveats. | 2026-09-03 |