MiscSubjects

Anthropic: Claude Opus 5

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work.

AnthropicClaude Opus 5
anthropic/claude-opus-5
2026-07-24text+image+file->textreasoning: max / xhigh / high / medium / low / none
Coding index
78
Artificial Analysis
Agentic index
56.5
Artificial Analysis
Design Arena
1348 Elo · #1
mobileapps · 67.1% wins
Input
$5
per 1M tokens
Output
$25
per 1M tokens
Cached input
$0.50
per 1M tokens
Context
1M
tokens it reads
Max output
128K
tokens it writes
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...
inspect — the catalog entry
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      },
      {
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        "category": "pdf",
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        "rank": 10
      },
      {
        "arena": "agents",
        "category": "python-pptxslides",
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        "rank": 7
      },
      {
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        "category": "spreadsheet",
        "elo": 1199,
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      },
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        "category": "webapps",
        "elo": 1255,
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        "rank": 11
      },
      {
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        "category": "3d",
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        "elo": 1323,
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      },
      {
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        "rank": 9
      },
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        "elo": 1340,
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      {
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        "category": "svg",
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        "win_rate": 58.4,
        "rank": 5
      },
      {
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        "category": "uicomponent",
        "elo": 1346,
        "win_rate": 60.8,
        "rank": 6
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    }
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  }
}
References (1)
  1. Stored model catalog — Nov 5, 2026
Via
OpenRouter
Id
openrouter/anthropic/claude-opus-5
Model id
anthropic/claude-opus-5
Name
Anthropic: Claude Opus 5
Description
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work.
Family
anthropic
Canonical slug
anthropic/claude-opus-5-20260723
Price in
5
Price out
25
Price cache read
0.5
Price cache write
6.25
Price cache write 1h
10
Price web search
10000
Price overrides
[]
Context
1000000
Max completion tokens
128000
Modality
text+image+file->text
Input modalities
["text","image","file"]
Output modalities
["text"]
Tokenizer
Claude
Knowledge cutoff
null
Created
1784912544
Moderated
true
Params
["include_reasoning","max_completion_tokens","max_tokens","reasoning","reasoning_effort","response_format","stop","structured_outputs","tool_choice","tools","verbosity"]
Default parameters
{}
Tools
true
Reasoning
true
Reasoning efforts
["max","xhigh","high","medium","low","none"]
Reasoning default effort
high
Reasoning mandatory
false
Reasoning default enabled
true
Vision
true
Expiration date
null
Page dataOpen JSON
page.json
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