The new GPT-5.6 family: Luna, Terra, Sol
OpenAI released new flagship models, Luna, Terra, and Sol, with tiered pricing and a note on the limitations of simple token-based cost comparisons.
Simon Willison's Weblog·9 Jul 2026
Use this view to inspect the underlying evidence corpus. For ranked developments, decision posture and interpretation, use Signals.
Raw feed or Signals?
Raw feed is chronological evidence. Signals ranks and interprets material change.
OpenAI released new flagship models, Luna, Terra, and Sol, with tiered pricing and a note on the limitations of simple token-based cost comparisons.
Meta launched Muse Spark 1.1, an AI coding tool focusing on agentic workloads, bug fixing, and large code migrations for enterprises.
NVIDIA details synthetic financial data generation using NeMo to address training data scarcity and imbalance in finance NLP tasks.
The New York Times claims OpenAI concealed evidence in their copyright lawsuit, filing a motion for sanctions over allegedly hidden tools and datasets.
Google will now require advertisers to disclose when AI has been used to create or alter synthetic content in ads, extending rules previously only for election ads.
Paris-based AI voice startup Gradium raised a $100M seed round, backed by Nvidia, to expand to the Bay Area and attract top talent.
Anthropic will shift its consumer-facing Claude model, Claude Fable 5, to a usage-based pricing model, ending flat-fee subscriptions.
A newsletter benchmark claims OpenAI's GPT-5.6 Sol outperforms Anthropic's Claude Fable on tasks like prototypes, PRDs, and browser use.
AWS SageMaker HyperPod enhances inference with multi-tier data capture, direct Hugging Face deployment, NVMe loading, custom DNS, and IAM.
The EBA released its final technical package for the 4.3 reporting framework, supporting Third-Country Branches and AML risk assessment.
Microsoft Security details GigaWiper, a destructive backdoor combining multiple malware capabilities, providing analysis for enterprise defense.
Cloudflare argues for immediate adoption of ML-DSA post-quantum signature algorithm while NIST evaluates nine new candidates for future standardization.
Former GitHub CEO is developing a new Git backend designed for agentic AI platforms, not as a direct GitHub alternative.
Expedia's SVP discussed AI lessons; Microsoft's 'GDID' and hacker OPSEC were mentioned alongside UK's secret agent plan and Adobe ColdFusion patches.
OpenAI claims GPT-5.6 now powers Microsoft 365 Copilot, enhancing capabilities across Word, Excel, PowerPoint, Chat, and Cowork for improved work quality.
Bun's founder used Anthropic's Claude to rewrite its codebase in Rust over 11 days, incurring $165,000 in API costs for agentic code generation.
BNP Paribas targets €750 million in cumulative business value by year-end 2026, driven by scaling genAI and agentic workflows.
Mistral AI's Studio introduces a system of record for managing and versioning AI prompts and 'skills' for consistent behavior.
CISA issued an advisory for a vulnerability in Schneider Electric's Easergy MiCOM Px40 Series, a protection relay.
CISA issued an advisory for Schneider Electric PowerChute Serial Shutdown versions <=1.4, warning of critical file overwrites and data exposure.
Europe's venture funding hit $24 billion in Q2, its strongest quarter in four years, with the UK contributing to the increase.
OpenAI retracted its recommendation for SWE-Bench Pro and is developing new benchmarks, citing existing tests as 'broken'.
Estonia is using AI to identify legal errors in proposed legislation after a $28 million mistake, aiming to automate government functions.
OpenAI announced ChatGPT Work, an agentic capability designed to execute multi-hour tasks across user applications and files.
OpenAI launched a bug bounty program focused on misuse and safety vulnerabilities for its frontier models, including potential GPT-5.5.
OpenAI announced a new frontier model, GPT-5.6, claiming increased intelligence per token, improved cost-efficiency, and enhanced capability.
An alleged Scattered Spider member was identified and apprehended, partly through the use of Microsoft Global Device IDs (GDIDs) in forensic analysis.
FSB Secretary General John Schindler emphasized collaboration and preparedness in resolution planning to maintain financial system resilience.
SpaceXAI launched Grok 4.5, described as an "Opus-class" model, following its acquisition of Cursor. This positions Grok 4.5 among leading frontier models.
Santander has announced it is publishing its internal AI projects under an open-source license to encourage industry-wide collaboration.