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Models/Anthropic/Claude Sonnet 4.5
Anthropicclaude-sonnet familyActive

Claude Sonnet 4.5

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

JSONEmbed chartCompare
Context
1,000,000
Max output
64,000
Input / 1M
$0.43
Output / 1M
$2.14
Providers
10
01 Profile02 Capabilities03 Pricing04 History06 Related
01Profile

Profile

Released
2025-09-29
Last updated
2026-01
Knowledge cutoff
2025-07-31
Weights
Closed
02Capabilities

Capabilities

Input
text · image · pdf
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
$0.30
Cache write
$3.75
03Pricing

Pricing across 17 providers

Per 1M tokens, USD. Sorted by input price. First-party row highlighted.

ProviderProvider model idInputOutputCache readContext
anthropicfirst-partyclaude-sonnet-4-5-20250929$3.00$15.00$0.301,000,000
qihang-aiclaude-sonnet-4-5-20250929$0.43$2.14Not listed200,000
jiekouclaude-sonnet-4-5-20250929$2.70$13.50Not listed200,000
302aiclaude-sonnet-4-5-20250929$3.00$15.00Not listed200,000
302aiclaude-sonnet-4-5-20250929-thinkingthinking$3.00$15.00Not listed200,000
abacusclaude-sonnet-4-5-20250929$3.00$15.00Not listed200,000
amazon-bedrockanthropic.claude-sonnet-4-5-20250929-v1:0$3.00$15.00$0.30200,000
amazon-bedrockglobal.anthropic.claude-sonnet-4-5-20250929-v1:0$3.00$15.00$0.30200,000
heliconeclaude-sonnet-4-5-20250929$3.00$15.00$0.30200,000
llmgatewayclaude-sonnet-4-5-20250929$3.00$15.00$0.30200,000
llmgateway-providersanthropic/claude-sonnet-4-5-20250929$3.00$15.00$0.30200,000
llmgateway-providersaws-bedrock/claude-sonnet-4-5-20250929$3.00$15.00$0.30200,000
Show all 17 providers ↓
ProviderProvider model idInputOutputCache readContext
merge-gatewayanthropic/claude-sonnet-4-5-20250929$3.00$15.00$0.30200,000
amazon-bedrockau.anthropic.claude-sonnet-4-5-20250929-v1:0$3.30$16.50$0.33200,000
amazon-bedrockeu.anthropic.claude-sonnet-4-5-20250929-v1:0$3.30$16.50$0.33200,000
amazon-bedrockjp.anthropic.claude-sonnet-4-5-20250929-v1:0$3.30$16.50$0.33200,000
amazon-bedrockus.anthropic.claude-sonnet-4-5-20250929-v1:0$3.30$16.50$0.33200,000
04History

Change history

12+ recent events since 2025-09-29

2026-09-15Contextamazon-bedrockContext window200,000→ new
2026-09-15Contextamazon-bedrockMax output64,000→ new
2026-09-15Price upamazon-bedrockinput / 1M$3.00→ $3.30
2026-09-15Price upamazon-bedrockoutput / 1M$15.00→ $16.50
2026-09-15Contextamazon-bedrockContext window200,000→ new
2026-09-15Contextamazon-bedrockMax output64,000→ new
2026-09-15Contextamazon-bedrockContext window200,000→ new
2026-09-15Contextamazon-bedrockMax output64,000→ new
2026-09-15Price upamazon-bedrockinput / 1M$3.00→ $3.30
2026-09-15Price upamazon-bedrockoutput / 1M$15.00→ $16.50
2026-09-15Price upamazon-bedrockinput / 1M$3.00→ $3.30
2026-09-15Price upamazon-bedrockoutput / 1M$15.00→ $16.50
as of 2026-09-16
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