OpenAI is widening access to its latest AI capabilities with two lower-cost models, targeting professionals, developers and businesses that need stronger performance without higher computing costs.

Anthropic leads with $65B revenue but faces mounting pressure from OpenAI's GPT-6 Astra in enterprise AI. How the IPO timeline could reshape the battle.

Anthropic faces growing pressure from OpenAI ahead of a possible IPO as GPT-6 Astra gains enterprise traction and the AI ...

The company has also cut API prices for the new models by 50 per cent compared with promotional pricing for GPT-5.6.

Sol' and 'GPT-6 Luna.' Following the launch of its flagship model, 'GPT-6 Astra,' earlier this month, these models refresh the mid-tier and lightweight offerings with a focus on cost-efficiency. Both ...

Astra was released at the start of the month as OpenAI’s most powerful model to date. A few days later, Sol and Luna joined ...

Anthropic and OpenAI have launched cheaper artificial intelligence models within hours of each other, intensifying competition for enterprise customers as busin ...

OpenAI's GPT-6 Sol and Luna cut API prices 50% and beat Claude Opus 5 on AutomationBench at about 9% of its cost per task ...

Anthropic has launched Claude Opus 5.5, the first model in its new Claude 5.5 family. Anthropic also claims Opus 5.5 beats ...

Written based on official OpenAI documentation as of September 23, 2026. Model availability and settings may vary depending ...

OpenAI has expanded its GPT 6 family with two new models, GPT 6 Sol and GPT 6 Luna. All you need to know about the new models ...

Anthropic launches Opus 5.5, its first model since CEO Dario Amodei called for a slower pace of frontier AI development. A ...