← LLM

OpenAI

gpt-5.6-terra

reasoning off (gateway default)

* Conditional

Measured 2026-08-05 with reasoning off, in the same run as luna.

Score

74

Task done

100%

89–100% 95% CI · n=30

Fabrication

0%

Dead-air

55%

Tool silence

100%

Stalled

0%

TTFT p50

701ms

701–797 p50–p90

Cost / 1M tok

$12.00

Share this result

Embed the live badge

Speko llm rank
Markdown
[![Speko llm rank](https://benchmarks.speko.ai/badge/llm/openai-gpt-5-6-terra.svg)](https://benchmarks.speko.ai/llm/openai-gpt-5-6-terra)
HTML
<a href="https://benchmarks.speko.ai/llm/openai-gpt-5-6-terra"><img src="https://benchmarks.speko.ai/badge/llm/openai-gpt-5-6-terra.svg" alt="Speko llm rank"></a>
URL
https://benchmarks.speko.ai/llm/openai-gpt-5-6-terra