Anthropic
Claude Fable 5
A text-first Claude chat model on Rivya for narrative reframing, audience-aware drafts, and structured editorial work.
Use currently available Rivya chat models for research, writing, coding, explanations, and structured problem solving. Compare model fit and credit guidance, and check a model's current status before you start.
Create a result you can evaluate quickly
Rivya Chat
Chat controls
Choose when Rivya can search the web, how much reasoning it should use, and whether to include model thoughts when the selected model supports them.
Thoughts
Let the model default decide, or explicitly include or hide thought traces when the provider supports them.
Start a conversation to turn planning, prompting, and creative direction into one reusable thread.
Anthropic
A text-first Claude chat model on Rivya for narrative reframing, audience-aware drafts, and structured editorial work.
Anthropic
A text-first Claude chat model on Rivya for implementation briefs, requirements review, and concise technical planning.
Anthropic
A text-first Claude chat model on Rivya for board-level risk framing, scenario comparison, and decision documentation.
Anthropic
Claude Fable 5.1 is a coming-soon Chat model. Rivya uses this page to track availability and direct visitors to available chat models without claiming unpublished context, tools, or response behavior.
Featured prompts
Choose the scenario closest to your next output, then start from the online trial module above.
Use AI chat to summarize material, frame follow-up questions, compare options, and turn raw information into usable notes.
Draft emails, outlines, memos, and structured copy, then revise tone, clarity, and format inside one thread.
Debug code, explain errors, break down math or logic tasks, and keep the reasoning visible while you iterate.
Use it for research, writing, rewriting, coding help, explanations, structured reasoning, option comparison, and task planning. Start with a quick answer online, then continue in Chat Studio when the thread needs files, context, or follow-up work.
Research summaries, drafts, rewrites, explanations, coding questions, option comparisons, and planning tasks are all good starting points here.
Keep moving
Kimi
Kimi K3 is a coming-soon Chat model. Rivya uses this page to track availability and direct visitors to available chat models without claiming unpublished context, tools, or response behavior.
Chat is the right fit when the work is about asking, analyzing, writing, explaining, comparing, or planning. If the goal is to produce an image, video, or audio asset, switch to the matching creative entry point.
Stay on this page when you want a fast answer, draft, or direction.
Open Chat Studio when the task needs files, saved context, long-running continuity, or ongoing collaboration around the same project.