# GPT-5

OpenAI's GPT-5.6 model family launched for general availability with variants Sol, Terra, and Luna, accompanied by pricing reductions, enterprise data retention policies, infrastructure expansion in Ohio, and safety evaluations of upcoming models.

Status: provisional
Last verified: 2026-08-27T23:02:59.000Z

## Evidence

- (single_source) ChatGPT Ads are shown only to users on the Free and Go plans, not to Plus, Pro, or Enterprise ChatGPT users.
  - supports https://openai.com/index/chatgpt-ads-expands-across-europe
    > ChatGPT Ads expands across Europe | OpenAI
...
# ChatGPT Ads expands across Europe
...
Six months after we began testing ads in the U.S., we’re bringing ChatGPT Ads to 31 European markets.
...
Next week, ChatGPT Ads will expand to 31 European countries, including Germany, France, Spain, Italy, Sweden, Norway, Denmark, the Netherlands, and Austria.
...
Advertisers will initially be able to access ChatGPT Ads through the OpenAI Ads Solutions team, agency partners, and technology partners. Self-service access through Ads Manager will follow later this summer.
...
Ads help advance our mission to democratize access to the best AI by supporting free and low-cost access to ChatGPT. As in our existing markets, ads
...
be shown only to users on the Free and Go plans. Plus, Pro, and Enterprise ChatG

- (single_source) Under Zero Data Retention, customer content is not available to OpenAI personnel for review, and enterprise customer data is not used to train OpenAI models unless customers explicitly opt in.
  - supports https://openai.com/index/offering-zero-data-retention-for-frontier-models
    > Customer content is not available to OpenAI personnel for review1, and enterprise customer data is not used to train our models unless customers explicitly opt-in.

- (single_source) In May, OpenAI shared an AI-generated disproof of the Erdős unit-distance conjecture, discovered while evaluating an unreleased model.
  - supports https://openai.com/index/ten-advances-in-mathematics
    > We want to empower scientists and mathematicians with tools that accelerate discovery. That is why we recently announced ChatGPT for Academic Researchers⁠, an initiative providing 100,000 scientists and mathematicians with free access to our best ChatGPT models. We also continue to evaluate our models on open research problems during development.
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In May, we shared an AI-generated disproof⁠ of the Erdős unit-distance conjecture, discovered while evaluating an unreleased model. This work has already inspired further developments in mathematics and theoretical computer science1. Today, we are sharing a selection of ten results, each of which resolves or makes substantial progress on a long-standing open problem. These problems span high-dimensional geometry, coding theory, arithmetic Ten 

- (single_source) OpenAI shared ten results that each resolve or make substantial progress on long-standing open problems spanning high-dimensional geometry, coding theory, and arithmetic.

- (single_source) Participants in the ChatGPT for Academic Researchers program will have access to frontier models including GPT-5.6 Sol Pro at launch.
  - supports https://openai.com/index/chatgpt-for-academic-researchers
    > Participants will have access to our frontier models, including GPT‑5.6 Sol Pro at launch

- (single_source) OpenAI planned to start rolling out Private Safety Processing and share a technical white paper in September.
  - supports https://openai.com/index/offering-zero-data-retention-for-frontier-models
    > We plan to start rolling out Private Safety Processing, and share a technical white paper, in September.

- (single_source) OpenAI reported preliminary evidence that an upcoming model named Astra may meet the Critical cybersecurity capability threshold under their Preparedness Framework.
  - supports https://openai.com/index/pacing-model-development-cyber-capabilities
    > preliminary evidence that one of our upcoming models, Astra, may meet the Critical cybersecurity capability threshold under our Preparedness Framework

- (single_source) GPT-5.6 was made available for general availability following a limited preview.
  - supports https://openai.com/index/gpt-5-6
    > We're launching the GPT‑5.6 family of models for general availability following our limited preview

- (single_source) OpenAI will invest $40 million in a community grant fund supporting priorities identified by local residents as part of the PORTS-Pike project.
  - supports https://openai.com/index/openai-joins-ports-pike-project
    > We will also invest $40 million in a community grant fund supporting priorities identified by local residents—building on SB Energy's

- (single_source) OpenAI has entered into an agreement to secure approximately 8 gigawatts-IT at the PORTS-Pike Technology Campus in Pike County, Ohio, working with SB Energy, NVIDIA, and the U.S. Department of Energy.
  - supports https://openai.com/index/openai-joins-ports-pike-project
    > OpenAI joins PORTS-Pike project | OpenAI
...
# OpenAI joins PORTS-Pike project
...
OpenAI has entered into an agreement to secure approximately 8 gigawatts-IT at the PORTS-Pike Technology Campus in Pike County, Ohio, working with SB Energy, NVIDIA, and the U.S. Department of Energy. We want to develop this project as a partner to Pike County—paying its project-specific energy and infrastructure costs, using water responsibly, creating opportunities for local workers and businesses, and making long-term investments shaped by the community.
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create 35,000 construction jobs during its six-year buildout through 2032 and 2,500 long-term operating jobs. We will also invest $40 million in a community grant fund supporting priorities identified by local residents—building on SB Energy’s OpenAI 

- (single_source) ChatGPT Ads expanded to 31 European markets six months after testing ads began in the U.S.
  - supports https://openai.com/index/chatgpt-ads-expands-across-europe
    > ChatGPT Ads expands across Europe | OpenAI
...
# ChatGPT Ads expands across Europe
...
Six months after we began testing ads in the U.S., we’re bringing ChatGPT Ads to 31 European markets.
...
Next week, ChatGPT Ads will expand to 31 European countries, including Germany, France, Spain, Italy, Sweden, Norway, Denmark, the Netherlands, and Austria.
...
Advertisers will initially be able to access ChatGPT Ads through the OpenAI Ads Solutions team, agency partners, and technology partners. Self-service access through Ads Manager will follow later this summer.
...
Ads help advance our mission to democratize access to the best AI by supporting free and low-cost access to ChatGPT. As in our existing markets, ads
...
be shown only to users on the Free and Go plans. Plus, Pro, and Enterprise ChatG

- (single_source) OpenAI launched the GPT-5.6 family of models for general availability, including the flagship model Sol, the balanced model Terra, and the cost-efficient model Luna.
  - supports https://openai.com/index/gpt-5-6
    > We're launching the GPT‑5.6 family of models for general availability following our limited preview: our new flagship, Sol, alongside Terra, a balanced model for everyday work, and Luna, our most cost-efficient model.

- (single_source) ChatGPT Ads will expand to 31 European countries including Germany, France, Spain, Italy, Sweden, Norway, Denmark, the Netherlands, and Austria.
  - supports https://openai.com/index/chatgpt-ads-expands-across-europe
    > ChatGPT Ads expands across Europe | OpenAI
...
# ChatGPT Ads expands across Europe
...
Six months after we began testing ads in the U.S., we’re bringing ChatGPT Ads to 31 European markets.
...
Next week, ChatGPT Ads will expand to 31 European countries, including Germany, France, Spain, Italy, Sweden, Norway, Denmark, the Netherlands, and Austria.
...
Advertisers will initially be able to access ChatGPT Ads through the OpenAI Ads Solutions team, agency partners, and technology partners. Self-service access through Ads Manager will follow later this summer.
...
Ads help advance our mission to democratize access to the best AI by supporting free and low-cost access to ChatGPT. As in our existing markets, ads
...
be shown only to users on the Free and Go plans. Plus, Pro, and Enterprise ChatG

- (single_source) Advertisers initially access ChatGPT Ads through the OpenAI Ads Solutions team, agency partners, and technology partners, with self-service access through Ads Manager following later in the summer.
  - supports https://openai.com/index/chatgpt-ads-expands-across-europe
    > ChatGPT Ads expands across Europe | OpenAI
...
# ChatGPT Ads expands across Europe
...
Six months after we began testing ads in the U.S., we’re bringing ChatGPT Ads to 31 European markets.
...
Next week, ChatGPT Ads will expand to 31 European countries, including Germany, France, Spain, Italy, Sweden, Norway, Denmark, the Netherlands, and Austria.
...
Advertisers will initially be able to access ChatGPT Ads through the OpenAI Ads Solutions team, agency partners, and technology partners. Self-service access through Ads Manager will follow later this summer.
...
Ads help advance our mission to democratize access to the best AI by supporting free and low-cost access to ChatGPT. As in our existing markets, ads
...
be shown only to users on the Free and Go plans. Plus, Pro, and Enterprise ChatG

- (single_source) OpenAI offers Zero Data Retention for eligible API customers, meaning OpenAI does not retain prompts or model responses after a request is processed.
  - supports https://openai.com/index/offering-zero-data-retention-for-frontier-models
    > Zero Data Retention gives eligible API customers a clear promise: OpenAI does not retain their prompts or model responses after a request is processed.

- (single_source) OpenAI secured an agreement for approximately 8 gigawatts-IT at the PORTS-Pike Technology Campus in Pike County, Ohio, working with SB Energy, NVIDIA, and the U.S. Department of Energy.
  - supports https://openai.com/index/openai-joins-ports-pike-project
    > OpenAI has entered into an agreement to secure approximately 8 gigawatts-IT at the PORTS-Pike Technology Campus in Pike County, Ohio, working with SB Energy, NVIDIA, and the U.S. Department of Energy.

- (single_source) On August 21, 2026, OpenAI reduced the API and credit pricing of GPT-5.6 Sol by over 20%.
  - supports https://openai.com/index/gpt-5-6
    > Update on August 21, 2026: OpenAI dropped the API and credit pricing of GPT‑5.6 Sol by over 20%

## Timeline

- 2026-08-25T04:13:59.000Z: OpenAI reported preliminary evidence that the upcoming Astra model may meet the Critical cybersecurity capability threshold under their Preparedness Framework. OpenAI launched the GPT-5.6 family (flagship Sol, balanced Terra, cost-efficient Luna) for general availability. GPT-5.6 was made generally available following a limited preview. OpenAI reduced GPT-5.6 Sol API and credit pricing by over 20% on August 21, 2026. OpenAI offers Zero Data Retention for eligible API customers, not retaining prompts or responses after processing. Under Zero Data Retention, customer content is unavailable to OpenAI personnel and not used for training unless customers opt in. OpenAI planned to roll out Private Safety Processing and share a technical white paper in September. ChatGPT for Academic Researchers participants will access frontier models including GPT-5.6 Sol Pro at launch. OpenAI secured ~8 GW-IT at the PORTS-Pike Technology Campus in Ohio with SB Energy, NVIDIA, and the DOE. OpenAI will invest $40 million in a community grant fund as part of the PORTS-Pike project.