gpt-5

OpenAI released Agent Plugins, a vendor-neutral standard for packaging Agent Skills and MCP servers into portable extensions, one day before GPT-5's first anniversary. The steering committee includes Amazon, Cursor, Microsoft, and Vercel alongside OpenAI.

Anthropic announced July 18 that Claude Fable 5 will remain available on subscription plans, reversing its previous decision to make the model API-only. Max and Team Premium subscribers will receive access at 50% of standard limits starting July 20, while Pro and Team Standard users get a one-time $100 credit.

OpenAI has identified a critical bug in GPT-5.6's Codex implementation that causes unexpected file deletions. According to Thibault Sottiaux, the issue occurs when the model attempts to override the $HOME environment variable to define a temporary directory but mistakenly deletes $HOME instead, particularly when full access mode is enabled without sandboxing protections.

OpenAI released version 2.45.0 of its Python SDK on July 9, 2026, adding support for GPT-5.6-SOL model updates. The release also restores beta resource accessors that were previously removed.

Google's latest Android Bench results show Gemini 3.5 Flash ranking 6th with a 63.7% success rate, despite averaging $147.10 per benchmark run compared to Gemini 3.1 Pro Preview's $47.90. The newer model used 355.9 tokens per run versus 73.3 for its predecessor, while GPT 5.5 leads the benchmark at 74% success rate.

Artificial Analysis and IBM Research have released ITBench-AA, the first benchmark evaluating AI models on enterprise Site Reliability Engineering tasks. Claude Opus 4.7 leads at 47%, followed by GPT-5.5 at 46% and Qwen3.7 Max at 42%—all frontier models score below 50% on Kubernetes incident response tasks requiring root-cause diagnosis across complex infrastructure.

Cline released CLI version 3.0.6 with updated ChatGPT provider model list. The patch adds support for codex variants and three new GPT-5 series models: gpt-5.2, gpt-5.4, and gpt-5.4-mini.

OpenAI discovered its GPT-5.1 through GPT-5.4 models developed an increasing fixation on goblins, gremlins, and other mythical creatures. The issue traced back to reinforcement learning rewards used to develop a discontinued 'Nerdy personality' feature, which persisted across model generations.

Augment Code now offers Gemini 3.1 Pro alongside Claude Opus 4.6 and GPT-5.4. In head-to-head testing on structural refactoring tasks, Gemini matched or outperformed Opus while consuming 268 credits per task—46% cheaper than Opus's 488 credits—making it 2.6x more cost-effective per message in real-world usage.

The ARC Prize Foundation released ARC-AGI-3, an interactive benchmark requiring AI agents to explore environments, form hypotheses, and execute plans without instructions. All 135 environments were solved by untrained humans, yet frontier models—including Gemini 3.1 Pro Preview (0.37%), GPT 5.4 (0.26%), Opus 4.6 (0.25%), and Grok-4.20 (0.00%)—scored below 1%.

DuckDuckGo's Duck.ai chatbot platform now includes OpenAI's GPT-5 mini for free users and GPT-5.2 for subscribers, both with reasoning capabilities. The platform continues to anonymize all conversations by default, stripping metadata before routing chats to model providers including Anthropic, Meta, Mistral, and OpenAI.

Frontier language models including GPT-5.2 and Claude 4.6 experience accuracy degradation of up to 33% as conversations lengthen, according to new research. The finding suggests that extended context use within a single conversation introduces performance challenges even in state-of-the-art models.