AI Models RadarWeekly edition · 2026-09-25Saved weekly edition
2026-09-18 – 2026-09-24 · UTC
2 confirmed model launches. This edition preserves the evidence available when it was published; linked briefs may contain later updates.
Anthropic’s latest Opus model for long-running agentic coding and knowledge work, with always-on adaptive thinking.
Improves substantially over Opus 5 while reducing standard token prices to $4/$20 and retaining a million-token context window.
First-party source ↗SpaceXAI’s new frontier model for coding, agentic tasks and knowledge work, with stronger long-horizon execution and self-verification.
Moves Grok beyond 4.6 with a larger base model and sizeable gains on long-running coding and professional-work benchmarks while keeping the same standard API price.
First-party source ↗