MATRIX · GPT-6

OpenAI reports an internal incident-response use case for Ultrafast

Tue, 27 Oct 2026 15:59:15 GMT

OpenAI reports an internal incident-response use case for Ultrafast

Original story: OpenAI releases GPT-6.1 Sol near Astra capability at lower cost

Recommendation: TRIAL

Sources: How Ultrafast cut incident investigation from hours to minutes at OpenAI

OpenAI releases GPT-6.1 Terra for lower-cost computer use

Tue, 27 Oct 2026 15:59:15 GMT

OpenAI released GPT-6.1 Terra to all Plus, Pro, Enterprise and Edu users in ChatGPT Work and Codex, and through the API as gpt-6.1-terra. Standard API pricing is $1 per million input tokens, $0.05 per million cached input tokens and $5 per million output tokens. OpenAI positions it for visual reasoning and computer use at half the standard token price of GPT-5.6 Terra and GPT-6.1 Sol.

Why read: GPT-6.1 Terra is GA in the API, ChatGPT Work and Codex, halving standard token prices versus Sol for computer-use routing.

Recommendation: TRIAL

Sources: Introducing GPT-6.1 Terra · developers.openai.com · changelog

GPT-6.1 Sol Ultrafast becomes available to all API users

Fri, 09 Oct 2026 15:56:33 GMT

GPT-6.1 Sol Ultrafast becomes available to all API users

Original story: OpenAI releases GPT-6.1 Sol near Astra capability at lower cost

Why read: General availability of GPT-6.1 Sol Ultrafast turns low-latency routing into a production option.

Recommendation: TRIAL

Sources: developers.openai.com · changelog

GPT-6 brings native interactive UI and progressive follow-up reasoning to ChatGPT

Wed, 07 Oct 2026 22:04:39 GMT

GPT-6 brings native interactive UI and progressive follow-up reasoning to ChatGPT.

Original story: OpenAI releases GPT-6 Sol and Luna for coding and high-volume agents

Recommendation: TRIAL

Sources: openai.com · gpt 6 for everyone

OpenAI releases GPT-6.1 Sol near Astra capability at lower cost

Thu, 01 Oct 2026 16:01:43 GMT

OpenAI offers GPT-6.1 Sol in the API, ChatGPT Work and Codex at a lower standard token price than Astra. The API now makes Ultrafast processing generally available through service_tier: ultrafast, with separate limits, global processing and US or EU data residency.

Why read: GPT-6.1 Sol is API-available and directly changes workhorse model routing.

Recommendation: TRIAL

Sources: openai.com · introducing gpt 6 1 sol · deploymentsafety.openai.com · awareness of cot monitoring reduces monitorability · developers.openai.com · changelog

OpenAI documented a GPT-6 Sol/Luna image-encoding fix on September 25

Sun, 27 Sep 2026 00:44:11 GMT

OpenAI documented a GPT-6 Sol/Luna image-encoding fix on September 25. Recheck image-input evaluations that may have been affected.

Original story: OpenAI releases GPT-6 Sol and Luna for coding and high-volume agents

Why read: Teams with prior visual evaluations should revisit failed cases.

Recommendation: TRIAL

Sources: developers.openai.com · changelog

OpenAI releases GPT-6 Sol and Luna for coding and high-volume agents

Thu, 24 Sep 2026 16:01:46 GMT

OpenAI released GPT-6 Sol and Luna for complex coding and cost-sensitive, high-volume work. Both support multimodal inputs and long context through the API and surfaces including Codex. A subsequent image-encoding fix warrants revisiting earlier visual evaluations.

Recommendation: TRIAL

Sources: community.openai.com · 1399925