Anthropic's internal model scores leak: new model may surpass Mythos 5
scaling01 · x · 2026-08-15
According to Anthropic's internal AECI evaluation, its new model (Model 2) scores 1.5 points higher than Mythos 5, estimated at 162.79. Based on the trendline, Anthropic may have reached that score around July 8, with training likely completed in May or June. Current internal models may score between 163-165, with latest untested models around 164.5-167.5.
Related event: Anthropic's Internal Model 2 Capabilities Revealed(21 posts)→
More from Models
- ThursdAI live from Manhattan: Muse Wonder, Muse Spark Open and Gemini 4 Argon — altryne · 2026-10-16
- Claude now leads 26% of Anthropic's model R&D, up from under 1% in February — altryne · 2026-10-16
- 'Small-Claude-shame': telling Opus 4.7 it's OK to know who you may ease it — repligate · 2026-10-16
- Bridgewater fine-tunes Qwen3-235B with Tinker, beats GPT-5.5 at 1/14th the cost — simonguozirui · 2026-10-16
- ChatGPT voice selection breaks after GPT-Live-1.1 rollout on Android — shaunralston · 2026-10-16
- Musk teases two-way Grok x Optimus integration: Grok in the bot, bot in Grok — beffjezos · 2026-10-16