Opus 5 Wipes Out OpenAI's Cost Efficiency Advantage
jacob_posel · x · 2026-07-25
AI researcher Jacob Posel quoted a tweet emphasizing that the release of Opus 5 has completely wiped out OpenAI's long-standing advantage in cost efficiency, achieving absolute and total efficiency dominance. Posel commented that on highly competitive days like these, he would love to use a tool like HQ to manage the workload.
More from Models
- Microsoft’s Fara1.5-27B trends on Hugging Face as a computer-use model — microsoft · 2026-07-25
- A closer look says Opus 5’s system prompt is shifting, not shrinking — rajistics · 2026-07-25
- RL Consistently Improves Imagination Models: Photon-1 Beats Gemini — ycombinator · 2026-07-25
- After testing Opus 5 and Fable 5 across 15 projects, one user says Opus wins most work — doodlestein · 2026-07-25
- Opus 5 Lands Between gpt-5.6 and Fable, With Better Correctness — thesaraharminta · 2026-07-25
- Two frontier models shipped this week, with Kimi 3, GPT 6 and Grok 4.7 next — bindureddy · 2026-07-25