OpenAI's GPT‑5.6 Models Are Here, with a Trio of Options Balancing Power and Performance
The new model family adds four-agent reasoning, higher-compute modes and lower API prices as OpenAI targets coding and scientific work.
- OpenAI launched its GPT-5.6 model family across ChatGPT, Codex, and its API, introducing three distinct tiers: the flagship Sol, mid-range Terra, and fast, low-cost Luna.
- The Trump administration earlier this week authorized the broad release following collaborative technical testing, though the White House denies the process constitutes formal approval, calling the scrutiny voluntary.
- Chief executive officer Sam Altman stated the company made "many changes" to the system during government security reviews, resulting in safety measures that block ten times as much nefarious activity.
- Pricing for Sol starts at $5 per one million input tokens and $30 per one million output tokens, while Terra and Luna offer lower-cost options for everyday tasks and high-speed demands.
- Competition in the sector remains intense, as Elon Musk confirmed SpaceXAI will release Grok 4.5 on Thursday, while Meta recently launched its own AI models to challenge market leaders.
17 Articles
17 Articles
Has OpenAI's GPT-5.6 Family of Models Beaten Anthropic's Fable Class? A Detailed Comparison
Just over a week after Fable 5 came back online for all users, OpenAI unveiled its own next-generation family: GPT-5.6 Sol, Terra, and Luna. Rather than a single flagship, OpenAI split the release into three capability tiers priced separately with Sol at the top and Luna at the bottom, arguing this lets each tier advance on its own tempo.
OpenAI launches GPT-5.6 Sol with four-agent reasoning system
OpenAI has launched GPT-5.6 across ChatGPT, Codex, and its API, introducing GPT-5.6 Sol with a four-agent reasoning system and two lower-cost models as the rollout begins worldwide. According to OpenAI, the GPT-5.6 family introduces a new three-tier lineup consisting of…
OpenAI's GPT‑5.6 models are here, with a trio of options balancing power and performance
TL;DR Open AI formally welcomes the GTP-5.6 models to its lineup: Sol, Terra, and Luna. In addition to the new modesls themselves, there’s also a new “ultra” option for running multiple models in parallel. Access to all three GPT-5.6 models opens today in ChatGPT and Codex, but may take 24 hours to hit everyone. Last month, OpenAI gave us a little preview of what to expect from its next big AI model launch, detailing plans for the three faces o…
OpenAI has launched GPT-5.6, a family of three models of artificial intelligence that redefines the state of art again. Sun, Terra and Luna arrive with benchmark figures that certify technical supremacy, but also with an uncomfortable question: who needs a model so powerful as to solve mathematical conjectures when most just use it to write emails? GPT-5.6 Operation Keys Sun surpasses Fable 5 from Anthropic in independent tests. According to Art…
OpenAI has released its GPT-5.6 language model for all users. At the same time, the company renames its apps and introduces a new system for model variants.
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