Model Tracker
Claude
Anthropic's frontier model family: Opus, Sonnet, Haiku, and the Mythos tier.
Anthropic · 4 approved stories · official site ↗
Coverage timeline
Inc42 — AI · Aug 4, 2026, 2:34 PM EDT
Sarvam Takes On Claude, Codex With Cheaper, India-Hosted Coding Agent
Indian engineering teams can now buy a domestically hosted coding agent that Sarvam claims solves tasks for roughly $2 each, undercutting Claude Code and Codex.
JetBrains AI Blog · Jul 31, 2026, 4:24 PM EDT
Ponytail Skill for Claude Code: Does It Really Cut Agent Code by 54%?
Rigorous A/B testing reveals that while the Ponytail skill for Claude Code reduces token usage and cost, the actual savings are roughly half of the vendor's claims, helping engineers set realistic expectations for agent optimization.
Latent Space · Jul 30, 2026, 5:32 PM EDT
Claude Opus 5: Fable-level performance at Opus price (half Fable)
Anthropic's Claude Opus 5 delivers near-Fable 5 performance at half the price, shifting the cost-efficiency frontier for enterprise coding agents.
Simon Willison · Jul 30, 2026, 12:02 PM EDT
Discovering cryptographic weaknesses with Claude
Demonstrates that frontier models can conduct genuine scientific research but require massive compute and persistent human prompting to avoid giving up on hard problems.