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. Anthropic's most capable Sonnet model, optimized for real-world agentic and coding workflows with state-of-the-art benchmark performance.
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
#34
Coding Index
33.5
#34
Math Index
37.0
#107
MMLU-Pro
0.9
#9
GPQA
0.7
#87
HLE
0.1
#110
LiveCodeBench
0.6
#69
IFBench
0.4
#107
Time to First Token
8.31s
#318
SciCode
0.4
#20
AIME 2025
0.4
#107
LCR
0.5
#58
TerminalBench Hard
0.3
#38
TAU2
0.7
#58
Output TPS
45.8
#154

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
Input
$ / 1M
Output
$ / 1M
Input
$ / 1M
Output
$ / 1M
Databricks logo
Databricks
databricks-claude-sonnet-4-5
$3.00$15.00N/A
Amazon Bedrock logo
Amazon Bedrock
global.anthropic.claude-sonnet-4-5-20250929-v1:0
$3.00$15.00$0.300$1.50$7.50
Anthropic logo
Anthropic
claude-sonnet-4-5-20250929
$3.00$15.00$0.300$1.50$7.50
Azure AI Foundry logo
Azure AI Foundry
claude-sonnet-4-5
$3.00$15.00$0.300
GMI Cloud logo
GMI Cloud
anthropic/claude-sonnet-4.5
$3.00$15.00N/A
Google Vertex AI logo
Google Vertex AI
claude-sonnet-4-5
$3.00$15.00$0.300$1.50$7.50
OpenRouter logo
OpenRouter
anthropic/claude-sonnet-4.5
$3.00$15.00$0.300
Replicate logo
Replicate
anthropic/claude-4.5-sonnet
$3.00$15.00N/A
Vercel AI Gateway logo
Vercel AI Gateway
anthropic/claude-sonnet-4.5
$3.00$15.00$0.300
Snowflake logo
Snowflake
claude-sonnet-4-5
$3.30$16.50$0.300$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$3.00$15.00$0.300$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 4.1200K$3.00$15.00Available
Claude Sonnet 41.0M$3.00$15.00Deprecated
Claude 3.7 Sonnet200K$3.00$15.00Deprecating
Claude Sonnet 3.7200K$3.00$15.00Deprecated
Claude Sonnet 3.51.0M$3.00$15.00Deprecating
Claude Sonnet 3200K$3.00$15.00Deprecated

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 3.5Haiku200K$0.800$4.00
Claude Haiku 3Haiku200K$0.250$1.25
Claude Opus 3Opus200K$15.00$75.00
Claude 2.1

Model IDs