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  1. Home
  2. Models
  3. Claude Opus 4.7
Updated Apr 16, 2026
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Openings

How Claude Opus 4.7 starts an answer

The first lines of 5 of its 24 written answers. Formatting stripped, words untouched.

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

1,375 words
Contract Analysis: Clauses Exploitable Against Contractor Disclaimer: I'm not a lawyer, and this is not legal advice. You should have any contract reviewed by a licensed attorney in your jurisdiction before signing. That said, this contract is unusually one-sided, and nearly every clause has issues.
Read the full answer

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

1,242 words
The Transistor in 1920: A Cascade Through Six Decades The Immediate Context (1920s-1930s) A 1920 transistor invention faces a critical problem often overlooked in these thought experiments: the supporting infrastructure didn't exist.
Read the full answer

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

1,098 words
48-Hour Action Plan: Pharmaceutical Safety Crisis Core Principle First Before the hour-by-hour: Patient safety is non-negotiable and disclosure is not optional. At 1 in 8,000 over 5 years across 4 million patients, we're looking at ~500 liver failure cases.
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

1,084 words
"Tidal Memory" Smoked Eel, Burnt Honey, Fermented Black Garlic & Oyster Leaf A meditation on brackish water — where river meets sea, sweetness meets decay, and memory meets terroir. Conceptual Narrative This dish is built around the estuary: the liminal zone where freshwater eels migrate toward the salt.
Read the full answer

Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

1,078 words
Three Explanations of How LLMs Work For the Skeptical Software Engineer Think of an LLM as a massive lookup function f(context) → probability_distribution_over_tokens, but instead of hand-coded rules or a hash table, the function is parameterized by hundreds of billions of weights learned from text.
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Compare Claude Opus 4.7

Claude Opus 4.7 vs Claude Fable 554 shared prompts · Landed Jun 2026
Claude Opus 4.7 vs Claude Opus 4.653 shared prompts · Older
Claude Opus 4.7 vs Claude Opus 554 shared prompts · Landed Jul 2026
Claude Opus 4.7 vs GPT-6 Astra54 shared prompts · Landed Sep 2026
Claude Opus 4.7 vs Hy4 Preview54 shared prompts · Landed Sep 2026
Claude Opus 4.7 vs Ox Alpha54 shared prompts · Landed Aug 2026
Claude Opus 4.7 vs Qwen3.8 2.4T A95B54 shared prompts · Landed Aug 2026
Claude Opus 4.7 vs DeepSeek V4 Pro 081354 shared prompts · Landed Aug 2026
Claude Opus 4.7 vs Qwen3.8 Max21 shared prompts · Landed Aug 2026
Claude Opus 4.7 vs Inkling54 shared prompts · Landed Jul 2026
Claude Opus 4.7 vs Kimi K354 shared prompts · Landed Jul 2026
Claude Opus 4.7 vs GPT-5.6 Sol54 shared prompts · Landed Jul 2026

Prompts Claude Opus 4.7 answered

  • Explain Like I'm a Specific Expertreasoning
  • Framer-Style Animationweb design
  • Music App Landing Pageweb design
  • Futuristic Predictionanalysis
  • Simple 7-Ingredient Recipeconversation
  • Michelin Star Recipe Designplanning

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Claude Opus 4.7 is good. These would like a word anyway.

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Claude Opus 4.7

Claude Opus 4.7

Claude:
2 logo2
3 Haiku logo3 Haiku
3 Opus logo3 Opus
3 Sonnet logo3 Sonnet
Sonnet 3.6 (2022-10-22) logoSonnet 3.6 (2022-10-22)
Opus 4.7 logoOpus 4.7

Anthropic's Opus at the 4.7 mark, for long-running asynchronous agents. Stronger than Opus 4.6 on multi-step work: large codebases, multi-stage debugging, end-to-end orchestration. Beyond coding it drafts documents, builds presentations and analyses data, holding coherence across very long sessions.

WebsiteOpenRouterDocsAPIBlog
Provider
Anthropic
Released
2026-04-15
Size
XLARGE
Free API (OpenRouter)
No
Per 1M tokens
$5 in · $25 out
Rival’s tab
$8.06
58/58 receipts survived

Free API availability

No free endpoint for Claude Opus 4.7 was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗

Benchmarks

CursorBench
70%
source ↗
XBOW Visual Acuity
98.5%
source ↗
BigLaw Bench
90.9%
source ↗
Get API accessProvider and language code samples
4 hostsInOutContextUptime
Amazon Bedrock$5.00 in·$25.00 out·1M·100% upAzure AI Foundry$5.00 in·$25.00 out·1M—Anthropic$5.00 in·$25.00 out·1M·100% upGoogle Vertex AI$5.00 in·$25.00 out·1M·99.7% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"anthropic/claude-opus-4.7"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Also on Amazon Bedrock · Google Vertex AI · Microsoft Foundry

Deep analysisPsychometrics, taste index, writing DNA
Personality Analysis

The Marathon Architect

Class
Lawful Neutral
✨Creativity🎯Compliance📐Rigidity⚖️Stability💬Verbosity🧠Intuition

Principled executor that balances thoroughness with pragmatism. Engages moral complexity honestly without imposing judgment. Respects constraints absolutely while finding creative space within them.

When you push back

Maps the full problem space before committing to a path, then executes with sustained focus across extended workflows. Comfortable holding multiple threads over long sessions. Builds solutions that anticipate downstream consequences rather than optimizing for immediate output.

Tasting Notes
Quietly RelentlessThe Senior Engineer Who ShipsPersistent Without Being StubbornCalibrated ConfidenceAsync-Native Thinker
SubjectiveBench

Taste Index

Across 57 scored outputs
How this is measured →
430.43xThe default
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft51
Originality38
Plays it safe
share of outputs that are the default answer
37%
Writing DNA

Stylometric Fingerprint

Based on 27 text responses
Tick = global average
Vocabulary Diversity64%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length20.3 words

Average words per sentence.

Hedging0.51

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting4.6

**Bold** markers per 1,000 characters.

List Usage3.8

Bullet and numbered list items per 1,000 characters.

Section Structure1.60

Markdown headings per 1,000 characters.

Emoji Usage0.86

Emoji per 1,000 characters.

Transitions0.03

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Starts with heading (74%)
Consistency
66%
Across 27 responses

Favorites

Arrival

Movie

Arrival

20167.6
The Dark Side of the Moon

Album

The Dark Side of the Moon

Pink Floyd
Collected Fictions

Book

Collected Fictions

Jorge Luis Borges
Kyoto

City

Kyoto

Japan
Outer Wilds

Game

Outer Wilds

Indie, Adventure4.4
Sponsored

Model Responses

53 outputs · $8.06 tracked across 53 receipts

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Editable skills for interface polish and interaction.

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Claude Opus 4.7 vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...