Frontier lab releases, open-source checkpoints, multimodal systems, inference stacks, and model capability shifts.
OpenAI lists GPT-6 Sol and Luna in its research release index
OpenOpenAI’s release index introduces GPT-6 Sol and Luna as models with different capability and cost balances. The index also references GPT-5.6 as a frontier model that scales across use cases.[3]
Google DeepMind reportedly pairs a new frontier model with long-context and coding capabilities
OpenAI Intel Report describes a September 30 Google DeepMind launch with a 1-million-token output limit, pricing of $2 per million input tokens and $10 per million output tokens, and claimed gains in coding and cyber evaluations. Access reportedly begins through the Fairwind Program.[2]
Mistral Large 4 appears in current model-release tracking
OpenPromptZone reports an October 6 Mistral API launch for Mistral Large 4 with a 524,288-token context window and listed pricing of $0.68 per million input tokens and $2.09 per million output tokens. The release is presented as an API launch rather than an open-weight checkpoint.[4]
