Anthropic logo

Claude Sonnet 4.5


Claude Sonnet 4.5 is Anthropic logoAnthropic's language model with a 1.0M context window and up to 64K output tokens, available from 10 providers, starting at $3.00 / 1M input and $15.00 / 1M output. A versatile Claude 4.5 model with strong reasoning, vision, and tool-use capabilities suited for a broad range of tasks.
Spec
Canonical IDanthropic-claude-4-5-sonnet
TypeLanguage
StatusActive
CreatorAnthropicAnthropic
Providers
Context Window1.0M tokens
Max Output64K tokens
Input ModalitiesImagePdfText
Output ModalitiesText
Reasoning Effortsdefault
Tool Use Overhead346 tokens
Release Date · 7 months ago
Knowledge Cutoff
Training Data Cutoff
Intelligence Index
37.1
#80
Coding Index
33.5
#73
Math Index
37.0
#161
MMLU-Pro
0.9
#19
GPQA
0.7
#149
HLE
0.1
#179
LiveCodeBench
0.6
#111
IFBench
0.4
#184
Time to First Token
0.97s
#305
SciCode
0.4
#49
AIME 2025
0.4
#161
LCR
0.5
#121
TerminalBench Hard
0.3
#79
TAU2
0.7
#113
Output TPS
58.3
#183

Capabilities

Input3/5
Text
Image
Audio·
Video·
PDF
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities9/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling
Structured Outputs
Native JSON Schema
Web Search
URL Context·
Computer Use
Code Execution·
File Search·
Prompt Caching
Assistant Prefill

Pricing by Provider

ProviderStandardBatchLong context
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Web Search
$ / query
Input
$ / 1M
Output
$ / 1M
Input
$ / 1M
Output
$ / 1M
Databricks logo
Databricks
databricks/databricks-claude-sonnet-4-5
$3.00$15.00N/AN/A
Anthropic logo
Anthropic
claude-sonnet-4-5
$3.00$15.00$0.300N/A$1.50$7.50
Azure AI Foundry logo
Azure AI Foundry
azure_ai/claude-sonnet-4-5
$3.00$15.00$0.300N/A
GMI Cloud logo
GMI Cloud
gmi/anthropic/claude-sonnet-4.5
$3.00$15.00N/AN/A
Google Vertex AI logo
Google Vertex AI
vertex_ai/claude-sonnet-4-5@20250929
$3.00$15.00$0.300N/A$1.50$7.50
OpenRouter logo
OpenRouter
anthropic/claude-sonnet-4.5
$3.00$15.00$0.300$0.010
Replicate logo
Replicate
replicate/anthropic/claude-4.5-sonnet
$3.00$15.00N/AN/A
Vercel AI Gateway logo
Vercel AI Gateway
anthropic/claude-sonnet-4.5
$3.00$15.00$0.300N/A
Amazon Bedrock logo
Amazon Bedrock
global.anthropic.claude-sonnet-4-5-20250929-v1:0
$3.30$16.50$0.330N/A$1.50$7.50
Snowflake logo
Snowflake
claude-sonnet-4-5
$3.30$16.50N/AN/A$1.65$8.25$6.60$24.76

Regional pricing

Provider-specific pricing that varies by region.
Amazon Bedrock logo
Amazon Bedrock
25 regions
RegionStandardBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Input
$ / 1M
Output
$ / 1M
Global
Global$3.30$16.50$0.330$1.50$7.50
Cross-region
Australia (cross-region)/ au$3.30$16.50$0.330$1.65$8.25
Europe (cross-region)/ eu$3.30$16.50$0.330$1.65$8.25
Japan (cross-region)/ jp$3.30$16.50$0.330$1.65$8.25
US (cross-region)/ us$3.30$16.50$0.330$1.65$8.25
Asia Pacific
Asia Pacific (Melbourne)/ ap-southeast-4$3.30$16.50$0.330$1.65$8.25
Asia Pacific (New Zealand)/ ap-southeast-6$3.30$16.50$0.330$1.65$8.25
Asia Pacific (Osaka)/ ap-northeast-3$3.30$16.50$0.330$1.65$8.25
Asia Pacific (Sydney)/ ap-southeast-2$3.30$16.50$0.330$1.65$8.25
Asia Pacific (Tokyo)/ ap-northeast-1$3.30$16.50$0.330$1.65$8.25
Canada
Canada (Central)/ ca-central-1$3.30$16.50$0.330$1.65$8.25
Europe
Europe (Ireland)/ eu-west-1$3.30$16.50$0.330$1.65$8.25
Europe (London)/ eu-west-2$3.30$16.50$0.330$1.65$8.25
Europe (Frankfurt)/ eu-central-1$3.30$16.50$0.330$1.65$8.25
Europe (Milan)/ eu-south-1$3.30$16.50$0.330$1.65$8.25
Europe (Paris)/ eu-west-3$3.30$16.50$0.330$1.65$8.25
Europe (Spain)/ eu-south-2$3.30$16.50$0.330$1.65$8.25
Europe (Stockholm)/ eu-north-1$3.30$16.50$0.330$1.65$8.25
Europe (Zurich)/ eu-central-2$3.30$16.50$0.330$1.65$8.25
US
GovCloud (US-East)/ us-gov-east-1$3.60$18.00$0.360$1.80$9.00
GovCloud (US-West)/ us-gov-west-1$3.60$18.00$0.360$1.80$9.00
US East (Ohio)/ us-east-2$3.30$16.50$0.330$1.65$8.25
US East (Virginia)/ us-east-1$3.30$16.50$0.330$1.65$8.25
US West (N. California)/ us-west-1$3.30$16.50$0.330$1.65$8.25
US West (Oregon)/ us-west-2$3.30$16.50$0.330$1.65$8.25

Cost Calculator

Preset:
Compares every provider & tier in USD

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Claude Sonnet 4.61.0M$3.00$15.00Available
Claude Sonnet 4.51.0M$3.00$15.00Current
Claude Sonnet 41.0M$3.00$15.00Deprecated
Claude Sonnet 4Available
Claude Sonnet 4.1200K$3.00$15.00Available
Claude Sonnet 4.5Available
Claude Sonnet 4.6 AdaptiveAvailable
Claude Sonnet 4.6 Non-Reasoning Low EffortAvailable
Claude Sonnet 3.7200K$3.00$15.00Deprecated
Claude Sonnet 3.7200K$3.00$15.00Deprecating
Claude Sonnet 3.5 V2200K$3.00$15.00Deprecating

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
Claude Opus 4.7Opus1.0M$5.00$25.00
Claude Opus 4.6Opus1.0M$5.00$25.00
Claude Opus 4.5Opus410K$5.00$25.00
Claude Haiku 4.5Haiku200K$1.00$5.00
Claude Opus 4.1Opus200K$15.00$75.00
Claude Opus 4Opus410K$15.00$75.00
Claude Haiku 4.5Haiku
Claude Opus 4Opus
Claude Opus 4.1Opus
Claude Opus 4.5Opus

Model IDs