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AI conversation model
Anthropic
Claude Opus

Claude Opus 5

Claude Opus 5 is a flagship candidate for high-complexity text work. Kyeo AI limits each message to 20,000 characters, includes the 40 most recent submitted messages, and caps output at 4,096 tokens.

Position
Next-generation flagship text
Maximum output
4,096 tokens
Billing
Actual-credit settlement
30-second overview
  • Preauthorization covers worst-case usage for the full conversation.
  • Both standard and streaming responses read actual credits.
  • Text only, no attachments, with a 4,096-token maximum output.

Popular searches: How do I use Claude Opus 5? · How much does Claude Opus 5 cost? · What is Claude Opus 5 best for?

Examples

Visual prompt study

请整理这段画面创意的生成提示词,保留主体、构图、光线与风格细节。
Design a clever typography logo where the brand name [BRAND NAME] merges together to form the silhouette of a [ANIMAL/OBJECT]. Letters should naturally shape the contours of the figure while maintaining subtle readability. Minimalist vector logo, clean geometry, premium branding aesthetic.

Visual prompt study

请整理这段画面创意的生成提示词,保留主体、构图、光线与风格细节。
A premium studio product photograph of a tall, slim red aluminum sparkling water can standing upright and centered against a seamless vivid red background, the can covered in fine condensation droplets with crisp white typography reading “GOOD IDEA” and smaller flavor text beneath, positioned on a matte red surface with subtle reflections, surrounded symmetrically by fresh ripe strawberries with glossy seeds and deep red flesh, some resting directly on the surface and others placed on small red rectangular blocks to the left and right, delicate white elderflower blossoms scattered between the fruit for contrast, the lighting soft yet directional from the upper left creating gentle highlights on the can's metallic texture and soft shadows beneath the fruit, the color palette dominated by saturated reds with clean white accents and natural green stems, the composition minimal and perfectly balanced with generous negative space above the product, shallow depth of field, ultra-sharp focus on the can, high-end commercial aesthetic, photorealistic, studio-grade, cinematic realism.

Visual prompt study

请整理这段画面创意的生成提示词,保留主体、构图、光线与风格细节。
一位年轻成年东亚女性,纤细清秀,坐姿近景到半身肖像。她上半身微微前倾,身体略向右侧,头部轻微倾斜,双眼温柔地看向镜头,神情安静、柔和、克制,带一点自然亲近感。她有白皙偏暖的肤色,真实细腻的皮肤质感,保留毛孔、轻微绒毛、自然阴影和柔和高光,不要塑料磨皮。五官精致,杏仁眼,柔和眉形,小巧鼻梁,自然裸色嘴唇,淡妆。 发型为深黑或深棕黑色头发,松散盘成高位凌乱丸子头,带自然碎发和轻薄空气刘海,耳侧和颈侧有几缕散落发丝,呈现轻盈随性的居家感。 服装是一件白色细肩带吊带上衣,轻薄柔软,带细腻蕾丝或镂空纹理细节,领口低调自然,不过分夸张,整体清爽、纯净、简约。前景可见一只弯曲抬起的膝盖,形成柔和的近景遮挡和亲密构图。 背景是极简的白色或浅灰白室内空间,无明显杂物,干净、通透、安静。光线为高键柔光,像窗边自然散射光或柔和棚拍漫射光,从左前方轻柔照亮面部和肩颈,阴影极浅,整体低对比、低饱和,呈现奶油白、浅灰、裸粉肤色的高级日系空气感。 摄影风格:85mm 人像镜头,浅景深,焦点清晰落在眼睛和面部,背景轻柔虚化,真实摄影质感,唯美但不假,干净克制,high-key soft portrait,editorial beauty portrait,photorealistic。 避免: 卡通感、CG感、过度磨皮、浓妆、夸张表情、杂乱背景、错误手指、畸形手臂、过强锐化、过重滤镜、文字、水印、Logo。

Visual prompt study

请整理这段画面创意的生成提示词,保留主体、构图、光线与风格细节。
Please create a separate "Rubber Stamp Travel Field Notes Poster" for each photo I upload, outputting each photo individually without collage or multi-image combinations. Overall, use a 4:3 landscape composition, dividing the frame into left and right regions, but without drawing an obvious dividing line. The left side takes up about 58% of the frame, faithfully preserving the original photo. Accurately maintain the main subject identity, terrain, architecture, plants, people, spatial relationships, natural lighting and shadows, authentic textures, and the original color atmosphere; apply only restrained art publication-level photo color grading, and add extremely subtle, fine-grained film noise. For layout adaptation, natural cropping is allowed, but do not stretch, distort, shift, replace, or redraw the main subject. The right side takes up about 42% of the frame, using a warm off-white aged paper as the background. The paper features subtle fibers, natural grain, light usage marks, and a matte texture, while preserving large areas of unprinted paper whitespace, making the blank space an essential part of the layout. Analyze the original photo and extract the most location-distinctive subject outlines, architectural structures, terrain contours, plant forms, roads, shorelines, or other key visual relationships, compressing them into a small multi-color rubber stamp image. Do not replicate every single element from the photo item by item. Retain only the minimal information necessary to instantly recognize the original location, subject, and scene relationships. Remove crowds, vehicles, dense windows, repetitive buildings, fragmented vegetation, decorative elements, and irrelevant backgrounds. The stamp is positioned in the lower-middle of the right-side paper area, occupying only about 30%–38% of the right region's height, with ample whitespace preserved around it. The stamp must not be enlarged into a standard illustration, full landscape painting, or brand logo. Determine the stamp's organization based on the original photo's composition: * Iconic architecture: Retain the most distinctive outer contours, roofs, domes, arches, towers, or main structures. * Mountain settlements: Compress buildings into a few terraced color blocks aligned along the terrain. * Coastal scenery: Retain mountain contours, settlement layers, shorelines, and sparse intermittent water ripples. * City panoramas: Retain the main skyline, one iconic building, and one or two layers of distant mountains. * Natural landscapes: Retain primary mountain forms, trees, shorelines, or road orientations. * Foreground occlusions: If narratively important in the original photo, retain as foreground stamp outlines. Extract 2–4 spot inks from the original photo. Prioritize desaturated colors like carbon black, deep green, brick red, ochre yellow, slate blue, or taupe brown, but do not force a fixed palette. Preserve the most distinctive color character from the original photo, allowing only a small area of color for visual emphasis. Render each color as a separately hand-stamped effect: Authentic rubber stamp carving texture, hand-engraved marks, uneven line widths, contour notches, fractured edges, dry ink shortages, paper show-through, granular ink, uneven pressure, partial ghosting, and about 1–2 mm of subtle misregistration. Allow natural misalignment between color layers; edges must not be digitally smoothed. The print should resemble a real carved stamp pressed onto aged paper, not a filtered photo, smooth vector illustration, or line-art logo. Generate text based on the photo's location, theme, and visual imagery: Location English name No. Number Three short English keywords Gregorian calendar year Place the text below or adjacent to the stamp in the whitespace, using a small, restrained, slightly mechanically imperfect typewriter font. The typography should evoke a traveler's field record, not an ad headline. Ensure all text is spelled accurately, without adding irrelevant slogans, brands, or decorative copy. The overall vibe is like field notes kept by an architect, travel writer, or natural observer: quiet, restrained, tactilely real, regionally specific, with handmade imperfections and a collectible feel. The photo handles the on-site record; the stamp captures the most recognizable fragments of memory. The date should display the date I enter: [Date] Avoid: Obvious central dividing lines, circular seals, Chinese red stamps, postage stamp perforations, wax seals, sticker collages, tourist souvenir templates, smooth vector logos, generic city icons, full replication of all architecture, dense detailing, childlike craftiness, cartoon style, 3D rendering, plastic textures, glossy digital gradients, oversaturation, excessive text, decorative clutter, and redrawing or altering the left-side original photo.

Visual prompt study

请整理这段画面创意的生成提示词,保留主体、构图、光线与风格细节。
Create a clean premium logo design for [Brand Name] based on the letter [Core Letter]. Turn the letter into an optical illusion brand mark using folded geometry, spatial depth, precise edges and strong negative space. The logo should express [Symbol Meaning] while remaining readable, minimal and memorable. Center one large logo mark on a plain warm ivory or soft light gray background. Add only the brand name “[Brand Name]” underneath, with an optional short subtitle “[Subtitle]”. Minimal black-white-gray palette, premium modern identity design. No poster layout, no construction grid, no annotations, no extra icons, no decorative small text, no mockup clutter, no messy 3D, no distorted typography.

Visual prompt study

请整理这段画面创意的生成提示词,保留主体、构图、光线与风格细节。
Creative composite photograph, 9:16 vertical aspect ratio, clean minimalist white background, studio lighting, high detail, sharp focus. A real-life [EVERYDAY OBJECT] is physically placed and perfectly integrated as a key part of a hand-drawn black ink cartoon illustration. The drawing is simple, expressive line art with minimal shading, like a quick sketch on paper. The [OBJECT] represents [CLEVER PART OF THE SCENE - e.g. hair, weapon, body part, clothing, etc.], cleverly completing the visual pun or concept. The cartoon character interacts dynamically with the object in a humorous, meaningful, or surprising way. Photorealistic object + bold black line drawing style, perfect seamless blend between real object and illustration, clean negative space, artistic and witty concept, high quality product photography mixed with doodle art. • How to edit super easy Just replace the placeholders: [EVERYDAY OBJECT] → what real thing you'll use (tomato, onion, chips, etc.) [CLEVER PART OF THE SCENE] → what the object becomes in the drawing Then customize the character and concept

At a glance

Is this model right for you?

Before creation, the site reserves against a conservative input bound for the complete message history plus the maximum output. A successful response settles against reported actual credits. The model does not accept attachments, and visual or tool capabilities available through other Claude products are not treated as features here.

What it does best
A flagship Claude model for complex reasoning, rigorous analysis, and high-value professional output.
Who it is for
Multi-constraint decisions, critical document review, research synthesis, and tasks where reducing rework matters.
Why use it on Kyeo AI
Kyeo AI uses the explicit 4,096-token output bound for reliable preauthorization and preserves actual-credit evidence for reconciliation.

Key facts

Quickly evaluate whether this model fits your business use case.

Vendor
Anthropic
Family
Claude Opus
Input
Text only
Maximum output
4,096 tokens
Message history
40 most recent submitted messages

Other names

The same model may have different names in official documentation, community discussions, and API integrations. This section brings them together for you.

Claude Opus 5 Chat
Opus 5

Common questions

These practical questions focus on the task, input conditions, and result requirements you should confirm before choosing.

How do I use Claude Opus 5?
How much does Claude Opus 5 cost?
What is Claude Opus 5 best for?
How is Claude Opus 5 different from Opus 4.8?

Decision guide

Still deciding? Start with these key decision points.

1
When the outcome is consequential

Use a representative sample to compare Opus 5 when mistakes would create significant rework or decision cost.

2
For routine knowledge work

Start with the lower-rate Sonnet 5 and upgrade only when a measurable benefit appears.

3
When you need a long deliverable

Split the work into an outline, sections, and a final review to stay within the output limit.

Popular comparisons

Compare common alternatives on the same task to clarify differences in inputs, controls, and cost.

Should I choose Opus 5 or Sonnet 5?
Does Opus 5 support images?

Real-world experience

Practical guidance based on public sources, current on-site limits, and representative tasks.

Flagship selection needs task-level evidence

Measure correctness, omission rate, revision count, and final usability instead of comparing prose style alone.

Settlement evidence is part of production readiness

A high-rate model needs auditable coverage before creation and actual usage after completion.

Capabilities

Constraint reasoning

Consider goals, limits, counterexamples, and risks together.

Critical review

Find conflicts, gaps, and unsupported conclusions in supplied material.

Professional writing

Organize dense text for a defined audience and decision context.

Use cases

Strategy proposals

Compare possible paths and list conditions, trade-offs, and validation steps.

First-pass review of high-risk documents

Identify logic or evidence problems, with final confirmation left to qualified professionals.

Research reports

Turn source material into traceable arguments and action recommendations.

Prompt tips

Define the evidence boundary

List the material it may use and the unknowns it must label.

Request an opposing-case review

Ask the response to seek the strongest counterexample and failure conditions.

Start with a short sample

Confirm quality and actual credits before processing longer material.

Why choose it

A clear flagship position for complex reasoning.
A complete preauthorization and settlement path.
Runtime boundaries do not depend on assumptions.

What to know first

Image and file attachments are not accepted.
A single response is limited to 4,096 tokens.
High-risk conclusions do not replace professional review.

Adjustable settings

Quickly evaluate whether this model fits your business use case.

No additional settings are available for this model.

Credit cost

Token-based pricing

400 credits per million input tokens and 2,000 credits per million output tokens; settlement uses the credits reported by the response.

Credit-saving tip

Before generating images or videos in bulk, run an A/B test with the same input on this model and similar alternatives. Confirm the result first to avoid wasting credits.

Frequently asked questions

Related models

Still deciding? Take a quick look at these similar alternatives.

Claude Opus 4.8

Claude Opus 4.8 is designed for high-complexity text analysis and consequential writing. Kyeo AI offers text-only chat with up to 20,000 characters per message and an explicit 4,096-token maximum output.

AI conversation model
Token-based pricing

Claude Sonnet 5

Claude Sonnet 5 is the more balanced Claude candidate in this batch for research, code explanation, and structured writing. Its maximum output on this site is 4,096 tokens.

AI conversation model
Token-based pricing

Claude Fable 5

Claude Fable 5 is designed for demanding narrative development and creative collaboration. Kyeo AI offers text-only access with a 4,096-token maximum output and sends no tool or attachment fields.

AI conversation model
Token-based pricing

Sources

This page is based on vendor materials, model-family documentation, and Kyeo AI integration settings.

Source note

Claude Opus 5 is integrated through a text-only Messages contract. Requests explicitly set a 4,096-token maximum output, while standard and streaming responses use the same three-way settlement based on reported actual credits.

Last updated: 2026-08-11
Current Claude Opus 5 site specifications
Integration

Records text-only Messages, the 4,096-token maximum output, rates, and actual-credit settlement.