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[ARTICLE · art-95873] src=tokenstead.ai ↗ pub= topic=artificial-intelligence verified=true sentiment=· neutral

GPT-5.6 Terra

OpenAI released GPT-5.6 Terra, a proprietary AI model available in August 2026, which does not embed watermarks or provenance metadata in generated output. The model scores 90 on general performance and offers a value of 45 points per dollar per million input tokens, with API pricing at $2.00 per million input tokens and $12.00 per million output tokens.

read1 min views1 publishedAug 13, 2026
GPT-5.6 Terra
Image: Tokenstead (auto-discovered)

workstationAI-generated content marks

The provider reports that this model does not add embedded watermarks or provenance metadata to generated output.

  • 1050k
  • proprietary
  • Aug 2026

Scores #

Score per dollar #

45 pts per $/M input

general_score (90) divided by cheapest input price

($2.00/M).
Higher is better value. [See live pricing](/models/gpt-5-6-terra/pricing).

Or run it in the cloud #

Live per-provider pricing, throughput and uptime - refreshed about 14 hours ago via OpenRouter. Click a column to sort.

| Provider | Type | Input $/M | Output $/M | Cache $/M | Tok/s | Latency | Uptime | Value |

|---|---|---|---|---|---|---|---|---|
| API | 2.00 | 12.00 | - | - | - | - | cheapest |

Default order: throughput among 95%+ uptime providers, then latency; subscriptions last. Sort by any column. Subscription rows show $/mo in the Value column - per-token columns are "-". Affiliate links are marked sponsored / nofollow. Confirm current pricing on the provider's site before committing.

Detailed API pricing page + JSON endpoint →

Inference cost over time #

Data accumulates from the first daily sync - longer ranges populate over time. Prices come from OpenRouter snapshots, not a historical API.

source & further reading
tokenstead.ai — original article The first Rails agent benchmark: what it means for picking a model GPT-5.6 Sol GPT-5.6 Luna
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