Anthropic
Anthropic: Claude Sonnet 4.5
Anthropic
Input / M
Routed + Vendor
Output / M
Context
Max Output
64K
Usage
Unranked
Quality
59.2 / 100
Providers
5
Best Uptime 30m
100.00%
Latency (p50)
1037 ms
Throughput
46.0 tok/s
Released
September 29, 2025
Modalities
text, image, file
Vendor-direct listin $3.00 · out $15.00Vendor list price (AWS Bedrock / Google Vertex / Azure / OpenAI-direct). No live telemetry.Markup 0.0%
About
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with.
Capabilities
Vision
Tools
Reasoning
Streaming
JSON Mode
Host offerings · 5
Per-host pricing, uptime, latency, throughput
spread 0%
| Host | Input/M | Output/M | Context | Uptime |
|---|---|---|---|---|
| GoogleCheapest Google | anthropic/claude-4.5-sonnet-20250929 | $3.00 | $15.00 | 1.0M | 100.0% |
| Amazon BedrockCheapest Amazon Bedrock | anthropic/claude-4.5-sonnet-20250929 | $3.00 | $15.00 | 1.0M | 99.9% |
| AnthropicCheapest Anthropic | anthropic/claude-4.5-sonnet-20250929 | $3.00 | $15.00 | 1.0M | 99.9% |
| Claude Platform on AWSCheapest Claude Platform on AWS | anthropic/claude-4.5-sonnet-20250929 | $3.00 | $15.00 | 1.0M | — |
| AzureCheapest Azure | anthropic/claude-4.5-sonnet-20250929 | $3.00 | $15.00 | 200K | — |
Benchmarks
Quality index 59.2 / 100
Artificial Analysis
intelligence index
37.4 / 100
coding index
52.1 / 100
agentic index
26.4 / 100
Design Arena
elo models asciiart
1236.0
elo models gamedev
1205.0
elo models 3d
1208.0
elo models codecategories
1202.0
elo models website
1201.0
elo models uicomponent
1199.0
elo models svg
1152.0
elo models dataviz
1187.0
Performance History
200 snapshots
Price History
Last 7 days · 0 changes
No creator-price changes in the last 7 days.
Free shows the last 7 days. Full history is a Pro feature.Get Pro
Usage (OpenRouter)
Historical usage
Activity Timeline
- No events yet.
Versus
Nearest peers by price, context, and capabilities. One click to compare.
No comparable models found.
Show this WM Score
Free live badge for your README, docs or site
Live badge — it always shows the current WM Score. Free to use anywhere, no key needed.
Markdown
[](https://whatmodel.app/models/7738dadf-82a4-4d45-afb6-1a8a84f2521c)HTML
<a href="https://whatmodel.app/models/7738dadf-82a4-4d45-afb6-1a8a84f2521c"><img src="https://whatmodel.app/api/public/embed/score/7738dadf-82a4-4d45-afb6-1a8a84f2521c" alt="Anthropic: Claude Sonnet 4.5 WM Score" height="26" /></a>Image URL
https://whatmodel.app/api/public/embed/score/7738dadf-82a4-4d45-afb6-1a8a84f2521cFirst seen 44d ago · Last verified 5m ago