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3 articles
Anthropic’s Claude Fable 5.1 and Mythos 5.1 explained: availability, pricing claims, safeguards, benchmark context, and what the release means for coding and research.
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Claude Sonnet 5 launched June 30, 2026 with 63.2% on SWE-bench Pro, 80.4% on Terminal-Bench, and pricing from $2/$10 per million tokens. Full benchmark breakdown, pricing, and honest comparison to Opus 4.8.
OpenAI previewed GPT-5.6 Sol, Terra, and Luna on June 26, 2026 — a restricted, government-coordinated preview with new agentic coding and cybersecurity capabilities. Full breakdown of benchmarks, pricing, safeguards, and access.
