OpenAI launched GPT-6 Sol and Luna with lower API prices, cheaper caching and stronger coding results aimed at reducing the cost of AI agents.

OpenAI has launched GPT-6.1 Sol with major gains in coding, computer use, scientific research, and factual accuracy while ...

OpenAI has released two newcomers to its GPT-6 family of models, promising lower token costs, more intuitive communication, and an ongoing effort to prevent the kind of rogue agent behavior that has ...

OpenAI is launching its new GPT‑6.1 Sol, promising performance that's neck-and-neck with 6 Astra at just one-fifth the cost.

Less than 24 hours after announcing that it won’t release its new model, GPT-6.1 Astra, because it’s too dangerous to make ...

For prompts under 100K tokens, the input and output unit prices for Claude Haiku 5.5 are $0.10 and $0.50 per million tokens, ...

"We trained GPT‑6 Sol and Luna with similar methods as GPT‑6 Astra, bringing the advances behind Astra’s state-of-the-art ...

Designed to deliver performance close to the flagship GPT-6 Astra at one-fifth the token cost, GPT-6.1 Sol targets agentic coding workflows.

OpenAI's GPT-6 Sol (Max) posts a 7.7% net improvement on the Agent Arena leaderboard while cutting API costs in half, challenging Anthropic on ...

On October 8, 2026, OpenAI announced that GPT-6.1 Sol is now supported in the Ultrafast mode of the Responses API. What was ...

OpenAI is launching two new models, which it says are cut from the same cloth as Astra.

Its obvious targets are applications where waiting carries its own cost: interactive coding, customer support, financial ...