ChatAnthropic

Claude Opus 4.5 AI Chat Assistant

Claude Opus 4.5 is Rivya's premium Claude AI chat model for deeper reasoning, high-stakes research, expert writing, and careful analysis when quality matters more than speed.

Input
Prompt only
Output
AI Chat Assistant
Credits
Pay per use — credits based on usage
Best for
Deep research synthesis and difficult analysis
Example output

Example output

Best for governance updates, launch readiness, and executive risk review.

Chat

Online trial

Use Claude Opus 4.5

Input setup

Prepare this run

Estimated credits: 8+

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.

Prompt starters

Start Claude Opus 4.5 with a proven prompt

Use a template already mapped to Claude Opus 4.5 when you want a stronger first run than a blank prompt.

Model proof

What Claude Opus 4.5 output looks like

Use the online trial above, then compare these example results to judge finish, rhythm, and task fit before you spend more credits in Studio.

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Chat preview for board risk briefing in Rivya.

Output

Best for governance updates, launch readiness, and executive risk review.

Lead sample

Best for governance updates, launch readiness, and executive risk review.

Chat preview for board risk briefing in Rivya.

Input

Prompt only

What to notice

Chat preview for board risk briefing in Rivya.

Credits per use

Pay per use — credits based on usage

Why this model works

Why this model works

Anthropic's most capable model

Exceptional deep reasoning and complex analysis

Expert-level writing and content quality

Best-fit tasks

Best-fit tasks

Deep research synthesis and difficult analysisHigh-stakes memo writing and argument structureExecutive summaries with stronger judgmentComplex architecture or code review discussion

Model proof

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Conversation preview for Policy Exception Review Chat.

Review an exception request against policy, customer impact, precedent risk, and escalation path.

Conversation preview for Policy Exception Review Chat.

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Conversation preview for Board Narrative Redline Chat.

Redline a board update for vague claims, missing evidence, defensive tone, and unclear asks.

Conversation preview for Board Narrative Redline Chat.

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Conversation preview for Sensitive Customer Response Chat.

Draft a careful response for a frustrated customer while separating empathy, facts, limits, and next action.

Conversation preview for Sensitive Customer Response Chat.

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Conversation preview for Contract Risk Plain-English Chat.

Translate a contract clause into plain-English risk, business impact, and questions for counsel.

Conversation preview for Contract Risk Plain-English Chat.

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Conversation preview for Editorial Brief Quality Gate Chat.

Check an editorial brief for audience clarity, evidence gaps, thin claims, and a useful next step.

Conversation preview for Editorial Brief Quality Gate Chat.

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Conversation preview for Policy Exception Review Chat.

Review an exception request against policy, customer impact, precedent risk, and escalation path.

Conversation preview for Policy Exception Review Chat.

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Conversation preview for Board Narrative Redline Chat.

Redline a board update for vague claims, missing evidence, defensive tone, and unclear asks.

Conversation preview for Board Narrative Redline Chat.

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Conversation preview for Sensitive Customer Response Chat.

Draft a careful response for a frustrated customer while separating empathy, facts, limits, and next action.

Conversation preview for Sensitive Customer Response Chat.

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Conversation preview for Contract Risk Plain-English Chat.

Translate a contract clause into plain-English risk, business impact, and questions for counsel.

Conversation preview for Contract Risk Plain-English Chat.

chat thread

Ask Rivya to help with planning, prompting, analysis, or coding.

Conversation preview for Editorial Brief Quality Gate Chat.

Check an editorial brief for audience clarity, evidence gaps, thin claims, and a useful next step.

Conversation preview for Editorial Brief Quality Gate Chat.

Decision fit

When this model is the right choice

Decision fit

Fit signals

Anthropic's most capable model
Exceptional deep reasoning and complex analysis
Expert-level writing and content quality
Text-first Claude project in Rivya's current front end
Best for mission-critical and high-stakes tasks

Best-fit tasks

Use it when the task looks like this

Deep research synthesis and difficult analysisHigh-stakes memo writing and argument structureExecutive summaries with stronger judgmentComplex architecture or code review discussionLong-horizon planning and high-quality agent collaboration

Quiet facts

Inputs, output, and credits to confirm

Provider

Anthropic

Category

Chat

Capabilities

Chat

Credit model

Pay per use — credits based on usage

Input path

Prompt only

Prompt setup

Up to 20,000 chars

Developer access

Available via API

Call Claude Opus 4.5 from Public API v1 after checking the model fields, reference media rules, and credit behavior.

FAQ

Claude Opus 4.5 FAQ

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