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  1. Models
  2. Text
  3. Anthropic

Claude 4.1 Opus Thinking

Anthropic's Claude 4.1 Opus with the ability to show its thinking process step by step.

  • Reasoning
  • Vision
  • Native PDF input
  • Tool Calling
  • Structured Output

Pricing

Auto routing · per 1M tokens
Input
$15.00
Output
$75.00
Cache read
$1.50
Compare provider prices

Specifications

Context window
200K
Max output
32K
Avg output (7d)
305 tokens
Longer than 25% of models

Benchmarks

Sourced from LMArena.

Arena Score

1449.8

Overall Rank

#80 / 421

Votes

49,374

Confidence Interval

1446.4 - 1453.3

Category Scores

Coding

#58 / 416

9,886 votes

1511.2

Math

#87 / 404

3,038 votes

1443.6

Longer Query

#40 / 399

11,435 votes

1484.5

Creative Writing

#51 / 419

6,817 votes

1445.5

Instruction Following

#55 / 421

13,146 votes

1457.6

Hard Prompts

#68 / 421

24,857 votes

1479.6

Additional Categories
22

Spanish

#45 / 303

1,290 votes

1465.6

Korean

#58 / 289

1,100 votes

1421.2

Multi Turn

#61 / 419

8,442 votes

1470.8

Industry Entertainment And Sports And Media

#63 / 419

9,045 votes

1435.0

Hard Prompts English

#64 / 419

10,681 votes

1487.0

Industry Writing And Literature And Language

#66 / 420

11,003 votes

1445.6

Industry Medicine And Healthcare

#67 / 390

2,687 votes

1476.1

Industry Software And It Services

#71 / 421

16,686 votes

1491.8

Expert

#73 / 371

2,524 votes

1482.2

Industry Legal And Government

#73 / 393

3,204 votes

1463.1

English

#74 / 421

20,830 votes

1463.6

German

#76 / 320

1,047 votes

1451.6

French

#77 / 301

851 votes

1470.4

Russian

#79 / 385

4,198 votes

1449.1

Industry Life And Physical And Social Science

#80 / 419

7,906 votes

1470.2

Exclude Ties

#81 / 421

35,499 votes

1451.6

Japanese

#82 / 288

674 votes

1412.3

Polish

#82 / 244

2,404 votes

1448.3

Industry Business And Management And Financial Operations

#87 / 414

9,076 votes

1446.6

Non English

#87 / 421

28,500 votes

1433.6

Industry Mathematical

#90 / 401

2,457 votes

1450.9

Chinese

#116 / 395

3,843 votes

1467.2

Published 2026-11-09 · Matched as Claude Opus 4.1 (Thinking 16K, 20250805)

LMArena Dataset

Providers

Auto routing is available for this model. Explicit provider selection is not available.

Cache write /M
Auto
Auto
Recommended
$15.00$75.00$1.50$18.75N/AN/A
Batch API
ProviderInputOutputCached inputCache write
Anthropic
Anthropicclaude-opus-4-1-thinking
$7.50/M$37.50/M$0.75/M$9.38/M

Reliability

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Claude Opus 4.8 Thinking

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Anthropic Claude Opus 4.8 with thinking enabled.

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