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.
Recently updated models, rising comparisons, and the AI tools teams are actively switching to — refreshed hourly.
Claude Opus 4.7 is the top trending model right now — it leads SWE-Bench Pro (64.3%) after its April 2026 launch. GPT-5.5 is trending for OpenAI agentic workflows. Llama 4 Maverick is the biggest open-source story: frontier-class quality, zero API cost.
If you haven't re-evaluated your AI stack since early 2026, now is a good time. Claude Opus 4.7 and GPT-5.5 both change the premium tier calculus significantly.
Most teams don't need to switch every cycle — but the Opus 4.7 and GPT-5.5 releases are meaningful quality jumps over their predecessors.
The most-searched head-to-head comparisons right now.
Models with the latest pricing, scoring, or capability updates in the directory.
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.
Anthropic's previous Opus flagship, now superseded by Opus 4.8. Still the second-best coding model publicly available at the same $5/$25 price.
OpenAI's latest agentic flagship for coding, research, computer-use workflows, and long multi-step knowledge work.
OpenAI's latest flagship with unique desktop-control capabilities — it can see your screen, click, and navigate apps via the API.
Reliable OpenAI flagship for serious coding and product work — a strong default before GPT-5.4 was released.
Lower-cost OpenAI model that keeps a solid balance of usefulness, speed, and affordability for everyday tasks.
Use-case pages getting the most attention this week.
Anthropic released Claude Fable 5 and Claude Mythos 5 on June 9, 2026, two months after Mythos rocked Wall Street in private preview. Fable 5 — the generally available, Mythos-class model — scores 80.3% on SWE-Bench Pro, an 11-point leap over Opus 4.8's 69.2% and the largest single-release jump of 2026. It posts 1932 on GDPval-AA, has a 1M-token context, and is free for everyone until June 22. Mythos 5 is the same model with safeguards lifted, restricted to vetted partners. Pricing is $10/$50 per 1M tokens.
View claude-fable-5 →Claude Fable 5 now leads all premium coding and research recommendations, replacing Opus 4.8 at the top. At 80.3% SWE-Bench Pro it is the clear benchmark leader. Opus 4.8 remains the best-value premium pick at half the price, and Sonnet 4.6 stays the everyday default.
View claude-fable-5 →Anthropic launched Claude Opus 4.8 on May 27, 2026. It scores 69.2% on SWE-Bench Pro (up from 64.3% on Opus 4.7), 88.6% on SWE-Bench Verified, and 1890 Arena Elo — 121 points ahead of GPT-5.5. Pricing is unchanged at $5/$25 per 1M tokens. Key new feature: native parallel subagents.
View claude-opus-4-8 →Claude Opus 4.8 now leads all premium coding recommendations, replacing Opus 4.7. At 69.2% SWE-Bench Pro vs 64.3%, it is the clear benchmark leader. Opus 4.7 is retained for legacy comparisons and pinned integrations.
View claude-opus-4-8 →OpenAI's GPT-5.5 is now included in model rankings with SWE-Bench Pro, Terminal-Bench, pricing, and context-window data.
View gpt-5-5 →Claude Opus 4.7 now leads premium coding recommendations because it has the strongest current public SWE-Bench Pro score among generally available models.
View claude-opus-4-7 →Newsletter
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Claude Opus 4.7 is the most-searched model right now after its April 2026 release — it leads SWE-Bench Pro with a 64.3% coding score. GPT-5.5 is trending for OpenAI-native agentic workflows. Llama 4 Maverick is trending in the open-source community for matching frontier closed models at zero cost.
The newest major models in 2026 are Claude Opus 4.7 (Anthropic, April 2026), GPT-5.5 (OpenAI), and Llama 4 Scout and Maverick (Meta). All are available via API and have been added to the UseRightAI directory.
This page refreshes every hour to reflect the latest model updates, pricing changes, and ranking shifts. When a major new model launches or a significant pricing change happens, it appears here first.
Based on search trends and usage signals, teams are switching from GPT-4o to Claude Sonnet 4.6 for daily coding and writing. Developers exploring open-source are moving toward Llama 4 Maverick. Budget-conscious teams are adopting Gemini 3.1 Flash for high-volume pipelines.