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Claude Opus 4.5

anthropic/claude-opus-4-5-20251101

Flagship Claude model for deep reasoning, coding, and long-horizon agents

Input modalitiesT
Output modalitiesT
Source-linkedclaude-opusClosed weightsReleased 2025-11-01
Report data
Context window200K
Maximum output64K
Provider offers15
Knowledge cutoff2025-05
Capabilities

What this model supports

ReasoningYes
Tool callingYes
Structured outputNo
AttachmentsYes
Temperature controlYes
Open weightsNo
Creator
Anthropic
Family
claude-opus
Modalities
Image, Pdf, Text
License
Not documented
Release date
2025-11-01
Model ID
anthropic/claude-opus-4-5-20251101
Market availability

Provider pricing

Report price →
Providers offering Claude Opus 4.5
ProviderProvider model IDContextInput / 1MOutput / 1MCached / 1MFeaturesAll pricing
QiHang logoQiHangclaude-opus-4-5-20251101200K$0.71$3.57R T ·
View
{
  "input": 0.71,
  "output": 3.57
}
LLM Gateway logoLLM Gatewayclaude-opus-4-5-20251101200K$5$25$0.5R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Azure logoAzureclaude-opus-4-5200K$5$25$0.5R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
OpenCode Zen logoOpenCode Zenclaude-opus-4-5200K$5$25$0.5R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Abacus logoAbacusclaude-opus-4-5-20251101200K$5$25R T ·
View
{
  "input": 5,
  "output": 25
}
Anthropic logoAnthropicclaude-opus-4-5-20251101200K$5$25$0.5R T S
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Vercel AI Gateway logoVercel AI Gatewayanthropic/claude-opus-4.5200K$5$25$0.5R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Merge Gateway logoMerge Gatewayanthropic/claude-opus-4-5-20251101200K$5$25$0.5R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Vertex (Anthropic) logoVertex (Anthropic)claude-opus-4-5@20251101200K$5$25$0.5R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Azure Cognitive Services logoAzure Cognitive Servicesclaude-opus-4-5200K$5$25$0.5R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Vertex logoVertexclaude-opus-4-5@20251101200K$5$25$0.5R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
DigitalOcean logoDigitalOceananthropic-claude-opus-4.5200K$5$25$0.5R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Amazon Bedrock logoAmazon Bedrockanthropic.claude-opus-4-5-20251101-v1:0200K$5$25$0.5R T S
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Cortecs logoCortecsclaude-opus4-5200K$5.98$29.89R T ·
View
{
  "input": 5.98,
  "output": 29.89
}
Venice AI logoVenice AIclaude-opus-4-5198K$6$30$0.6R T S
View
{
  "cache_read": 0.6,
  "cache_write": 7.5,
  "input": 6,
  "output": 30
}
Evidence

Published benchmark results

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 Opus 4.5
45.9