OpenAI's newly released GPT-5.4 integrates reasoning, coding, computer use, and agent tool calls, achieving a 75% success rate on OSWorld-Verified tasks—surpassing the human baseline—while its Tool Search feature reduces agent token consumption by 47% and supports up to 1 million tokens for long‑running workflows.
OpenAI's GPT-5.4 launch introduces three model tiers, a 1 million‑token context window, native computer‑use abilities, higher factual accuracy and a new Tool Search feature, reshaping enterprise AI capabilities and intensifying competition with Anthropic and Google.
Claude Code 2.1.69 introduces a lazy‑loaded Tool Search that defers loading of Model Context Protocol (MCP) tools until needed, dropping system‑tool context from around 10% to zero, dramatically reducing token consumption and improving tool selection accuracy.
Claude Code introduces MCP Tool Search, a lazy‑loading mechanism that dynamically loads only needed tools, cutting token usage by over 67,000 tokens in large MCP setups, preventing context bloat, improving performance, and offering developers regex and BM25 search options with defer_loading support.
Anthropic’s recent release introduces three advanced capabilities—Tool Search, Programmatic Tool Calling, and Tool Use Examples—that reduce token consumption, avoid context pollution, and improve tool‑calling accuracy for AI agents, with detailed benchmarks, code samples, and guidance on when each feature is most effective.
