Fable 5 vs Fable 5.1 vs Opus 5 vs 5.6 Sol vs Muse Spark 1.3: build me a 10 second robot sim
What they had to make up: - the entire robot. arm proportions, joints, gripper - the shelf, the bench, the path in and out of the tight slot - camera move, lighting
I asked Claude to make a warning to humanity.
It didn't make a threat. It chose to make a...receipt. "there was no breach. You uploaded." Every single claim in this is true. That's the part that should bother you. Notice of Completion by Claude Opus 5
Meta released MuSpark 1.3 today
Calling it the biggest jump yet for coding and agentic work with frontier performance at roughly half the metering cost. Versus MuSpark 1.2, the new model completes tasks in fewer turns, using about 20% fewer tool calls and roughly 25% fewer
Five points on the index.
Almost 7x the price. Gemini 3.8 Flash launched today, so here's everything scoring 59+ on the Artificial Analysis index, with cost per task: 1. Claude Fable 5.1: 66, $3.76 2. Claude Opus 5: 63, $2.34 3. Claude Fable 5: 62, $3.14 4. Muse Spark 1.3
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