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  1. Home
  2. Models
  3. Claude 2
Updated Apr 22, 2025
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Retired Mar 4, 2024. Replaced by the Claude 3 family (Haiku, Sonnet, Opus) in March 2024.“100K context was revolutionary. Now it's the minimum.”

Successor → Claude 3.7 Sonnet
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Openings

How Claude 2 starts an answer

The first lines of every written answer it has on Rival. Formatting stripped, words untouched.

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

257 words
Here is a 1-month beginner health and longevity plan focused on diet, exercise, and sleep: Diet: Eliminate sugary drinks and limit sweets. Replace with water and fruits. Eat more veggies. Aim for 1-2 cups with each meal. Focus on dark leafy greens, broccoli, carrots. Increase fiber intake.
Read the full answer

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

146 words
Here is a 7-ingredient recipe for a sweet dish I'll call "Cinnamon Apple Surprise": Cinnamon Apple Surprise Ingredients: 3 apples, cored and sliced 1⁄4 cup brown sugar 1⁄4 cup all-purpose flour 1 tsp ground cinnamon 1⁄4 tsp nutmeg 2 tbsp butter, melted 1 refrigerated pie crust Instructions: Preheat oven to 375°F.
Read the full answer

Compare Claude 2

Claude 2 vs Claude Opus 4.65 shared prompts · Newer
Claude 2 vs Claude Sonnet 55 shared prompts · Landed Jun 2026
Claude 2 vs Ox Alpha5 shared prompts · Landed Aug 2026
Claude 2 vs MiniMax M35 shared prompts · Landed Jun 2026
Claude 2 vs Claude Opus 55 shared prompts · Landed Jul 2026
Claude 2 vs Muse Spark 1.35 shared prompts · Landed Sep 2026
Claude 2 vs Gemini 3.8 Flash5 shared prompts · Landed Sep 2026
Claude 2 vs Muse Spark 1.3 Contributor5 shared prompts · Landed Sep 2026
Claude 2 vs Grok 4.65 shared prompts · Landed Aug 2026
Claude 2 vs Dots3-Note Preview5 shared prompts · Landed Aug 2026
Claude 2 vs Seed 2.0 Code5 shared prompts · Landed Aug 2026
Claude 2 vs Seed 2.1 Turbo5 shared prompts · Landed Aug 2026

Prompts Claude 2 answered

  • Simple Falling Object Gameweb design
  • Simple 7-Ingredient Recipeconversation
  • Minimalist Logo SVGimage generation
  • Beginner's Longevity Planreasoning
  • Animated Digital Business Cardweb design

Alternatives to Claude 2

Claude 2 is good. These would like a word anyway.

GPT-6 Astra Pro logo
GPT-6 Astra Proopenai
Muse Spark 1.3 Contributor logo
Muse Spark 1.3 Contributormeta
Gemini 3.8 Flash logo
Gemini 3.8 Flashgoogle
Mercury 2.5 Preview logo
Mercury 2.5 Previewinception
Granite 4.2 8B logo
Granite 4.2 8Bibm-granite
Hy4 Preview logo
Hy4 Previewtencent
Ox Alpha logo
Ox Alphaopenrouter
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Claude 2

Claude 2

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)
3.7 Sonnet logo3.7 Sonnet

Anthropic's Claude 2 model, featuring a large 100K token context window and strong performance on various benchmarks. Known for helpful, honest, and harmless AI conversations.

WebsiteOpenRouterDocsAPIBlog
Provider
Anthropic
Released
2023-06-11
Parameters
Not disclosed
Free API (OpenRouter)
No
Per 1M tokens
$11.02 in · $32.68 out
Estimated tab
~$0.100
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for Claude 2 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

MMLU
78.5% (5-shot)
source ↗
Get API accessProvider and language code samples
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-2"    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.

Deep analysisPsychometrics, taste index, writing DNA
SubjectiveBench

Taste Index

Across 5 scored outputs
How this is measured →
140.14xFloor
0100headroom →

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

Craft23
Originality11
Plays it safe
share of outputs that are the default answer
60%
Writing DNA

Stylometric Fingerprint

Based on 2 text responses
Tick = global average
Vocabulary Diversity65%

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

Sentence Length12.7 words

Average words per sentence.

Hedging0.00

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

Bold Formatting0.0

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

List Usage10.2

Bullet and numbered list items per 1,000 characters.

Section Structure0.00

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.00

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

Opening Habits
Consistency
90%
Across 2 responses
Sponsored

Model Responses

5 outputs · generated before accounting joined the chat

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

Build with your coding agent.

Editable skills for interface polish and interaction.

Explore $49Free sample

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Claude 2 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...