Anthropic prices Fable 5.1 at $10/1M input tokens and $50/1M output tokens, the same as Fable 5's pricing, but cuts cache read pricing by 75% to $0.25/1M tokens
Frederic Lardinois /The New Stack:
Anthropic says Fable 5.1 will cost ~25% less than Fable 5 “for typical workloads” because of cheaper cache reads and up to ~45% less “for highly agentic work”
Zac Hall /9to5Mac:
Anthropic says Fable 5.1 will cost an estimated 25% less than Fable 5 for typical workloads and up to 45% less for highly agentic work
Anthropic PBC is releasing a new version of its powerful Fable artificial intelligence model that it says is better at coding and science tasks …
Ramp data: Fable 5, launched in early June, has plateaued at ~11% of spending on Anthropic tools, as companies shift to cheaper models; Opus 5 surpassed Fable 5
AI lab's Fable 5 has met with sluggish demand from corporate clients — Anthropic's US customers are using cheaper alternatives …
Ramp data: Fable 5, launched in June, has plateaued at ~11% of spending on Anthropic tools, as companies shift to cheaper models; Opus 5 surpassed Fable 5
AI lab's Fable 5 has met with sluggish demand from corporate clients — Anthropic's US customers are using cheaper alternatives …
Z.ai's GLM-5.3 scores 60 on the Artificial Analysis Intelligence Index, seven points above GLM-5.2, on par with Kimi K3, but below Opus 5's 63 and Fable 5's 62
GLM-5.3 achieves 60 on the Artificial Analysis Intelligence Index, on par with Kimi K3 and up 7 points from GLM-5.2. Once the weights are released it will be tied as the leading open weights model @Za...
Z.ai's GLM-5.3 with max reasoning scores 60 on the Artificial Analysis Intelligence Index, on par with Kimi K3 but below Opus 5 at 63 and Fable 5 at 62
Anthropic launches Claude Opus 5, which it says comes close to Fable 5 performance at half the price; it is the new default model on Claude Max
Claude Opus 5 is available today. It's a thoughtful and proactive model that comes close to the frontier intelligence of Claude Fable 5 at half the price.
Anthropic launches Claude Opus 5, which it says comes close to Fable 5 performance at half the price; it is the new default model on Claude Max
Claude Opus 5 is available today. It's a thoughtful and proactive model that comes close to the frontier intelligence of Claude Fable 5 at half the price.
Levent Alpöge, a mathematician who works at Anthropic, says he was able to disprove the 87-year-old Jacobian conjecture with the help of Fable 5
Levent Alpöge announced the solution on X A mathematician has cracked an 87-year-old conundrum with the help of AI and announced the solution unceremoniously in a tweet.