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Models/Anthropic/Claude Sonnet 4.5 (latest)
Anthropicclaude-sonnet familyActive

Claude Sonnet 4.5 (latest)

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

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Context
1,000,000
Max output
64,000
Input / 1M
$2.60
Output / 1M
$13.00
Providers
27
01 Profile02 Capabilities03 Pricing04 History06 Related
01Profile

Profile

Released
2025-09-29
Last updated
2026-06-11
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 29 providers

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

ProviderProvider model idInputOutputCache readContext
anthropicfirst-partyclaude-sonnet-4-5$3.00$15.00$0.301,000,000
poeanthropic/claude-sonnet-4.5$2.60$13.00$0.26983,040
azureclaude-sonnet-4-5$3.00$15.00$0.30200,000
azure-cognitive-servicesclaude-sonnet-4-5$3.00$15.00$0.30200,000
cloudflare-ai-gatewayanthropic/claude-sonnet-4.5$3.00$15.00$0.301,000,000
google-vertexclaude-sonnet-4-5@20250929@20250929$3.00$15.00$0.30200,000
google-vertex-anthropicclaude-sonnet-4-5@20250929@20250929$3.00$15.00$0.30200,000
impossiblanthropic/claude-sonnet-4-5$3.00$15.00$0.30200,000
kiloanthropic/claude-sonnet-4.5$3.00$15.00$0.301,000,000
llmgatewayclaude-sonnet-4-5$3.00$15.00$0.30200,000
llmgateway-providersanthropic/claude-sonnet-4-5$3.00$15.00$0.30200,000
llmgateway-providersaws-bedrock/claude-sonnet-4-5$3.00$15.00$0.30200,000
Show all 31 providers ↓
ProviderProvider model idInputOutputCache readContext
llmgateway-providersvertex-anthropic/claude-sonnet-4-5$3.00$15.00$0.30200,000
nano-gptanthropic/claude-sonnet-4.5$3.00$15.00$0.30200,000
nano-gptanthropic/claude-sonnet-4.5:thinkingthinking$3.00$15.00$0.30200,000
nearaianthropic/claude-sonnet-4-5$3.00$15.00$0.30200,000
neonclaude-sonnet-4-5$3.00$15.00$0.30200,000
ofoxanthropic/claude-sonnet-4.5$3.00$15.00$0.30200,000
opencodeclaude-sonnet-4-5$3.00$15.00$0.301,000,000
openrouteranthropic/claude-sonnet-4.5$3.00$15.00$0.301,000,000
opperanthropic/claude-sonnet-4-5$3.00$15.00$0.30200,000
orcarouteranthropic/claude-sonnet-4.5$3.00$15.00$0.301,000,000
perplexity-agentanthropic/claude-sonnet-4-5$3.00$15.00$0.30200,000
pioneerclaude-sonnet-4-5$3.00$15.00$0.301,000,000
requestyclaude-sonnet-4-5$3.00$15.00$0.301,000,000
vercelanthropic/claude-sonnet-4.5$3.00$15.00$0.301,000,000
zenmuxanthropic/claude-sonnet-4.5$3.00$15.00$0.301,000,000
requestyclaude-sonnet-4-5@eu@eu$3.30$16.50$0.301,000,000
veniceclaude-sonnet-4-5$3.75$18.75$0.38198,000
anyapianthropic/claude-sonnet-4-5Not listedNot listedNot listed200,000
snowflake-cortexclaude-sonnet-4-5Not listedNot listedNot listed200,000
04History

Change history

12+ recent events since 2025-09-29

2026-09-14Addednano-gptoffering→ new
2026-09-14Addednano-gptoffering→ new
2026-09-09Price cutnearaioutput / 1M$15.50→ $15.00
2026-09-08Removed302aiofferingremoved→ new
2026-09-04Removedgithub-copilotofferingremoved→ new
2026-08-27ContextorcarouterContext window—→ 1,000,000
2026-08-27Price uprequestyinput / 1M$2.70→ $3.00
2026-08-27Price uprequestyoutput / 1M$13.50→ $15.00
2026-08-27Price uprequestyinput / 1M$2.97→ $3.30
2026-08-27Price uprequestyoutput / 1M$14.85→ $16.50
2026-08-23Addedopperoffering→ new
2026-08-20Addedllmgateway-providersoffering→ new
as of 2026-09-16
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