Race briefings · Current through July 14, 2026
The weekly race briefing synthesizes reviewed findings and the current provider frontier. Below it, short release briefs record notable model launches. Every briefing links to its sources and separates confirmed facts from what still needs testing.
Model release briefs
Reviewed · Published July 14, 2026
Anthropic released Claude Fable 5 on June 9, 2026. It now scores 1507.5 in LMArena's July 12, 2026 snapshot, where it is Anthropic's leading model.
Reviewed · Published July 14, 2026
OpenAI released GPT-5.5 on April 23, 2026. It gives OpenAI a new multimodal, language and vision option with API access, according to Epoch AI's catalog.
Reviewed · Published July 14, 2026
Google released Gemini Flash 3.1 TTS on April 15, 2026. It gives Google a new audio option with API access, according to Epoch AI's catalog.
Reviewed · Published July 14, 2026
Meta released Muse Spark on April 8, 2026. It gives Meta a new multimodal, language and vision option with API access, according to Epoch AI's catalog.
Reviewed · Published July 14, 2026
xAI released Grok 4.20 on February 17, 2026. It gives xAI a new language option with API access, according to Epoch AI's catalog.