Anthropic
Claude Sonnet 4.5legacy
Popular 2025 workhorse behind much of the agentic tooling ecosystem.
Intelligence
42.4 #398
Top 54% tier
Output Speed
80 t/s
ITL 12.5 ms/tok
Blended price (3:1)
$6 /1M
In $3/M · Out $15/M
Context
200K
≈ 500 A4 pages · max out 8,192
Quality Domain Radar
6-Axis Frontier Evaluation vs Category Average & Flagship
Claude Sonnet 4.5
Claude Mythos Preview (#1)
Average (68)
Radar axes are approximated from category scores where direct benchmark measurements are missing — see Methodology.
API deployment
Compare hosts & latency
Throughput, TTFT and cache pricing across Groq, Cerebras, Together, DeepInfra, Fireworks, Bedrock and Azure.
GroqCerebrasTogether AIDeepInfraFireworks AIAWS BedrockAzure AI
Groq
Cerebras
Together AI
DeepInfra
Fireworks AI
AWS Bedrock
Azure AIScores by Source
Category Scores
Benchmark Results
Model Details
Release date
Sep 28, 2025
Parameters
Not disclosed
License
Proprietary
Context Window
200,000 tokens
Input Price
$3/M
Output Price
$15/M
Output Speed
80 t/s
Time to First Token
—
Estimated monthly bill
Estimated monthly spend
$0.00
Calculating savings vs GPT-4o...
Cite & embed
GitHub Markdown badge
Loading badge markdown...BibTeX
@misc{llmpodium2026claudesonnet45,
title = {Benchmark Analysis and Intelligence Evaluation of Claude Sonnet 4.5},
author = {LLMPodium Research},
year = {2026},
url = {https://llmpodium.com/models/claude-sonnet-4-5}
}Embed Score Badge
Add a live Podium Score badge to your GitHub or Hugging Face README — it links back to the live ranking.
Preview
Markdown
Loading badge snippet...HTML
Loading badge snippet...More from Anthropic
Alternative Models
Closest alternatives to Claude Sonnet 4.5 based on capabilities, pricing, and benchmark scores.