Anthropic
Claude Opus 4.7
Anthropic's flagship Claude chat model on Rivya for deep reasoning, careful synthesis, executive writing, and high-impact text 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
Anthropic's flagship Claude chat model on Rivya for deep reasoning, careful synthesis, executive writing, and high-impact text work.
Anthropic
Anthropic's balanced Claude AI chat model on Rivya. It keeps strong long-form reasoning and careful analysis for content, research, and coding projects without jumping to Opus-level spend.
Anthropic
Anthropic's balanced Claude AI chat model on Rivya. It is strong at nuanced writing, careful analysis, and safety-conscious responses, making it a strong Claude option for content creation and research.
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 Rivya uses this page to track availability and direct visitors to available chat models without claiming unpublished context, tools, or response behavior.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.