September 2026
4artifacts
AI Model & Benchmark Watch — September 25, 2026
Anthropic finally broke the three-way tie at the top of the leaderboard, OpenAI cut its mid-tier prices in half, Grok 4.7 arrived a week late with 40% more parameters and almost nothing to show for…
AI Model & Benchmark Watch — September 18, 2026
Grok 4.7 missed a third deadline and got graded by its own creator before anyone outside xAI could touch it, while Artificial Analysis rewrote the coding benchmark under the whole leaderboard for the…
AI Model & Benchmark Watch — September 11, 2026
After last week's four-launch pileup, the only new model this week came from DeepSeek — but Artificial Analysis quietly rewrote the scoreboard everyone else gets measured against.
AI Model & Benchmark Watch — September 4, 2026
Four flagship-tier models shipped in three days — Claude Fable 5.1, Meta's Muse Spark 1.3, Gemini 3.8 Flash, and OpenAI's GPT-6 Astra — after a summer where the loudest news was usually about what…