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Claude Sonnet 4

anthropic/claude-sonnet-4-20250514

Balanced Claude model for coding, analysis, agent workflows, and cost control

Source-linkedclaude-sonnetClosed weightsReleased 2025-05-22
Report data
Context window200K
Maximum output64K
Provider offers11
Knowledge cutoff2025-03-31
Capabilities

What this model supports

ReasoningYes
Tool callingYes
Structured outputNo
AttachmentsYes
Temperature controlYes
Open weightsNo
Creator
Anthropic
Family
claude-sonnet
Modalities
Image, Pdf, Text
License
Not documented
Release date
2025-05-22
Model ID
anthropic/claude-sonnet-4-20250514
Market availability

Provider pricing

Report price →
Providers offering Claude Sonnet 4
ProviderProvider model IDContextInput / 1MOutput / 1MCached / 1MFeaturesAll pricing
Vertexclaude-sonnet-4@20250514200K$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Requestyanthropic/claude-sonnet-4200K$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Vercel AI Gatewayanthropic/claude-sonnet-41M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Abacusclaude-sonnet-4-20250514200K$3.000$15.000R T ·
View
{
  "input": 3,
  "output": 15
}
DigitalOceananthropic-claude-sonnet-41M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "context_over_200k": {
    "cache_read": 0.3,
    "cache_write": 3.75,
    "input": 6,
    "output": 22.5
  },
  "input": 3,
  "output": 15,
  "tiers": [
    {
      "cache_read": 0.3,
      "cache_write": 3.75,
      "input": 6,
      "output": 22.5,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
Merge Gatewayanthropic/claude-sonnet-4-20250514200K$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Vertex (Anthropic)claude-sonnet-4@20250514200K$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
OpenCode Zenclaude-sonnet-41M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "context_over_200k": {
    "cache_read": 0.6,
    "cache_write": 7.5,
    "input": 6,
    "output": 22.5
  },
  "input": 3,
  "output": 15,
  "tiers": [
    {
      "cache_read": 0.6,
      "cache_write": 7.5,
      "input": 6,
      "output": 22.5,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
OpenRouteranthropic/claude-sonnet-41M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "context_over_200k": {
    "cache_read": 0.6,
    "cache_write": 7.5,
    "input": 6,
    "output": 22.5
  },
  "input": 3,
  "output": 15,
  "tiers": [
    {
      "cache_read": 0.6,
      "cache_write": 7.5,
      "input": 6,
      "output": 22.5,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
FastRouteranthropic/claude-sonnet-4200K$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Cortecsclaude-sonnet-4200K$3.307$16.536· T ·
View
{
  "input": 3.307,
  "output": 16.536
}
Evidence

Published benchmark results

Aider Polyglot vs top 8 models
GPT-5
88.0
o3-pro
84.9
Gemini 2.5 Pro
83.1
o3
81.3
DeepSeek Reasoner
74.2
Claude Opus 4
72.0
o4-mini
72.0
Claude Sonnet 4
61.3