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Claude Sonnet 4.6

anthropic/claude-sonnet-4-6

Claude workhorse for coding agents, careful analysis, and production cost control

Source-linkedclaude-sonnetClosed weightsReleased 2026-02-17
Report data
Context window1M
Maximum output64K
Provider offers35
Knowledge cutoff2025-08-31
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
2026-02-17
Model ID
anthropic/claude-sonnet-4-6
Market availability

Provider pricing

Report price →
Providers offering Claude Sonnet 4.6
ProviderProvider model IDContextInput / 1MOutput / 1MCached / 1MFeaturesAll pricing
Kenariclaude-sonnet-4-61M$0.000$0.000R T ·
View
{
  "input": 0,
  "output": 0
}
Snowflake Cortexclaude-sonnet-4-61MR T ·
View
{}
AnyAPIanthropic/claude-sonnet-4-61MR T ·
View
{}
NanoGPTanthropic/claude-sonnet-4.61M$2.992$14.994· T S
View
{
  "input": 2.992,
  "output": 14.993999999999998
}
OrcaRouteranthropic/claude-sonnet-4.61M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Pioneerclaude-sonnet-4-61M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
LLM Gatewayclaude-sonnet-4-61M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Abacusclaude-sonnet-4-61M$3.000$15.000R T ·
View
{
  "input": 3,
  "output": 15
}
Cloudflare AI Gatewayanthropic/claude-sonnet-4-61M$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"
      }
    }
  ]
}
Vertex (Anthropic)claude-sonnet-4-6@default1M$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"
      }
    }
  ]
}
Azureclaude-sonnet-4-61M$3.000$15.000$0.300R T S
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Anthropicclaude-sonnet-4-61M$3.000$15.000$0.300R T S
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
FreeModelclaude-sonnet-4-61M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
OpenCode Zenclaude-sonnet-4-61M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Perplexity Agentanthropic/claude-sonnet-4-6200K$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "input": 3,
  "output": 15
}
GMI Cloudanthropic/claude-sonnet-4.6409.6K$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "input": 3,
  "output": 15
}
Amazon Bedrockanthropic.claude-sonnet-4-61M$3.000$15.000$0.300R T S
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
FrogBotclaude-sonnet-4-6200K$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
OpenRouteranthropic/claude-sonnet-4.61M$3.000$15.000$0.300R T S
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"
      }
    }
  ]
}
routing.runclaude-sonnet-4-61M$3.000$15.000R T ·
View
{
  "input": 3,
  "output": 15
}
AIHubMixclaude-sonnet-4-61M$3.000$15.000$0.300R T S
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"
      }
    }
  ]
}
Vertexclaude-sonnet-4-6@default1M$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"
      }
    }
  ]
}
Neonclaude-sonnet-4-61M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Databricksdatabricks-claude-sonnet-4-61M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
GitHub Copilotclaude-sonnet-4.6200K$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Merge Gatewayanthropic/claude-sonnet-4-61M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
NEAR AI Cloudanthropic/claude-sonnet-4-61M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
Aurikoclaude-sonnet-4-61M$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-4.61M$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"
      }
    }
  ]
}
DigitalOceananthropic-claude-4.6-sonnet1M$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"
      }
    }
  ]
}
CrossModelanthropic/claude-sonnet-4-61M$3.000$15.000$0.300R T ·
View
{
  "cache_read": 0.3,
  "cache_write": 3.75,
  "input": 3,
  "output": 15
}
FastRouteranthropic/claude-sonnet-4.61M$3.000$15.000R T ·
View
{
  "input": 3,
  "output": 15
}
Requestyanthropic/claude-sonnet-4-61M$3.000$15.000$0.300R T S
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"
      }
    }
  ]
}
Cortecsclaude-4-6-sonnet1M$3.590$17.920R T ·
View
{
  "input": 3.59,
  "output": 17.92
}
Venice AIclaude-sonnet-4-61M$3.600$18.000$0.360R T S
View
{
  "cache_read": 0.36,
  "cache_write": 4.5,
  "input": 3.6,
  "output": 18
}
Evidence

Published benchmark results

Artificial Analysis Coding Agent Index vs top 1 models
Claude Sonnet 4.6
49.4
Humanity's Last Exam vs top 8 models
Claude Fable 5
64.5
Muse Spark 1.1
62.1
GPT-5.4 Pro
58.7
Claude Opus 4.8
57.9
GPT-5.5 Pro
57.2
Claude Opus 4.7
54.7
GPT-5.5
52.2
Claude Sonnet 4.6
46.8
OSWorld-Verified vs top 7 models
Claude Fable 5
85.0
Claude Opus 4.8
83.4
Claude Sonnet 5
81.2
Muse Spark 1.1
80.8
GPT-5.5
78.7
Claude Sonnet 4.6
78.5
Gemini 3.5 Flash
78.4
SWE-Atlas Codebase QnA vs top 1 models
Claude Sonnet 4.6
31.2
SWE-Atlas Refactoring vs top 1 models
Claude Sonnet 4.6
32.2
SWE-Atlas Test Writing vs top 1 models
Claude Sonnet 4.6
31.8
SWE-Bench Pro vs top 8 models
Claude Fable 5
80.3
Claude Opus 4.8
69.2
Grok 4.5
64.7
GPT-5.6 Sol
64.6
Claude Opus 4.7
64.3
GPT-5.6 Terra
63.4
Claude Sonnet 5
63.2
Claude Sonnet 4.6
14.9
Terminal-Bench vs top 8 models
GPT-5.6 Sol
88.8
Claude Fable 5
88.0
GPT-5.6 Terra
87.4
GPT-5.6 Luna
84.7
Grok 4.5
83.3
GPT-5.5
82.7
Muse Spark 1.1
80.0
Claude Sonnet 4.6
67.0