Claude Fable 5
Anthropic's new Mythos-class flagship and the most capable coding model anyone can use — 80.3% SWE-Bench Pro, an 11-point jump over Opus 4.8. 1M context, 128K output, native parallel subagents. Released June 9, 2026.
Marketing AI needs to balance persuasion, clarity, and brand voice at the same time. The best picks here work across channels — from ad copy and landing pages to email sequences and positioning docs.
Last verified:
/Rankings refresh daily when model data changesBest daily driver for coding and writing — the model most developers actually reach for.
The top marketing pick understands conversion-focused writing and adapts to channel context.
Strong alternatives exist for teams that need cheaper copy at scale or faster creative ideation.
The ranking favors real marketing usefulness over generic writing quality scores.
Choose the top pick when copy quality directly affects conversion rates and brand positioning.
Choose a faster alternative for ideation, A/B variants, and first-draft campaign work.
Choose a budget model for bulk content that gets heavily edited before use.
Use the controls to see how the recommendation changes when your workflow shifts toward quality, cost, speed, or long-context work.
Anthropic / Premium / Jun 9, 2026
New global #1 — 80.3% SWE-Bench Pro, the most capable model generally available.
Ranks models by the broadest mix of coding, writing, research, and long-context usefulness.
You are latency- or cost-sensitive, or your tasks don't need frontier-level reasoning — Opus 4.8 at half the price is plenty.
Strong coding quality with 1M context at $3/1M input
Default model in Cursor and Windsurf, the two most popular AI coding editors
Best writing quality in its price tier — tone, long-form clarity, editorial polish
Claude Opus 4.7 has a higher current premium coding ceiling
GPT-5.5 or GPT-5.4 are better picks when OpenAI computer-use workflows are the priority
Strong backups depending on your budget, workload, and preferred tradeoffs.
Anthropic's new Mythos-class flagship and the most capable coding model anyone can use — 80.3% SWE-Bench Pro, an 11-point jump over Opus 4.8. 1M context, 128K output, native parallel subagents. Released June 9, 2026.
Anthropic's most powerful frontier model — the same underlying model as Fable 5 with safeguards lifted in some areas, restricted to vetted enterprise and research partners. The capability ceiling of mid-2026.
Anthropic's newest Opus flagship — 69.2% SWE-Bench Pro, 88.6% SWE-Bench Verified, 1890 Arena Elo (121 pts ahead of GPT-5.5), and native parallel subagents. Same $5/$25 price as Opus 4.7.
Claude Opus 4.1 is Anthropic's top-tier flagship model, designed for the most demanding tasks requiring deep reasoning, nuanced writing, and complex multi-step analysis. It sits at the apex of the Claude 4 family, prioritizing capability over cost and speed.
UseRightAI recommendations are based on practical decision factors people actually feel in day-to-day use.
Newsletter
Pricing shifts, new alternatives, and recommendation changes — straight to your inbox.
No spam. Useful updates only. Affiliate disclosures always clearly labeled.
Claude Sonnet 4.6 is the current top recommendation because it delivers the strongest mix of fit, output quality, and practical usefulness for this category.
Meta: Llama 3.1 8B Instruct is the strongest lower-cost alternative when you want better value without dropping all the way down in usefulness.
Choose the top pick when you want the safest default. Choose an alternative when your priority shifts toward cost, speed, context window, or a more specialized workflow fit.
Meta: Llama 3.1 8B Instruct is the cheapest strong alternative here if you want better value without dropping to a weak default.