Timeline
User gets full SEO audit from Claude via CrowdReply MCP, replacing $10K/month agency work
Released with 1M token context and 128k output.
Claude quietly removed full thinking traces feature, according to user reports and researcher Ethan Mollick.
Claude Opus 5 released with Fast Mode (2.5x speed) at Opus 4.8 pricing, saving 50% on tokens
Claude Opus 4.8 beats Gemini Pro 5 by 11 points on Fable 5 benchmark
Claude Opus 4.8 achieves 89% task completion and 2.5% harm rate on WorkBench, a dramatic improvement over GPT-4.
GPT-5.5 Pro shows significant leap on Epoch benchmark; base GPT-5.5 surpasses GPT-5.4 Pro
Ethan Mollick shares early impressions of GPT-5.5 Pro, calling it the best model for hard problems.
OpenAI insider describes GPT-5.5 Pro as 'qualitative leap' and 'absolutely insane'
Reported to generate complex, high-quality SVG code from a single prompt