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Proprietary model

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Released September 2026

Claude Sonnet 5.5 (Low, Default Fallback) API Provider Benchmarking & Analysis

Model Comparison

This analysis is intended to support you in choosing the best API provider of Claude Sonnet 5.5 (Low, Default Fallback) for your use-case.

Lowest Time per Task

#1
AzureAzure
2.5 min
#2
GoogleGoogle
2.5 min
#3
AnthropicAnthropic
2.7 min
#4
AmazonAmazon
2.7 min

Time per Intelligence Index task (minutes)

Total 4 providers

Lowest Cost per Task

#1
AzureAzure
$0.48
#2
AmazonAmazon
$0.48
#3
AnthropicAnthropic
$0.51
#4
GoogleGoogle
$1.03

Cost per Intelligence Index task

Total 4 providers

Claude Sonnet 5.5 (low) is available through 4 API providers, each offering different performance characteristics and pricing. Below is a comparison of the key metrics across providers.

  • For time per task, Azure (2.5 min), Google (2.5 min), and Anthropic (2.7 min) finish an Intelligence Index task fastest.
  • For cost per task, Azure ($0.48), Amazon ($0.48), and Anthropic ($0.51) are the cheapest per Intelligence Index task. Cost varies up to 2.1x across providers.
  • Azure is both the quickest and the cheapest per task.
Inference time (minutes) per Intelligence Index task · Lower is better
Weighted average cost (USD) per Intelligence Index task · Lower is better

Pricing

Cost per Intelligence Index Task: Claude Sonnet 5.5 (Low, Default Fallback)

Weighted average cost (USD) per Intelligence Index task · Segmented by token type · Lower is better

Pricing: Cache Hit, Input, and Output: Claude Sonnet 5.5 (Low, Default Fallback)

Price (USD per M Tokens) · Lower is better

Output Speed vs. Cost per Task: Claude Sonnet 5.5 (Low, Default Fallback)

Output speed: output tokens divided by total request time, including time to first token · Weighted average cost (USD) per Intelligence Index task
Most attractive quadrant

Speed

Average of the single-request and multi-turn agentic workloads measured

Time per Intelligence Index Task: Claude Sonnet 5.5 (Low, Default Fallback)

Output tokens divided by end-to-end output speed (minutes per Intelligence Index task) · Lower is better

Latency

Average of the single-request and multi-turn agentic workloads measured

Time to First Answer Token: Claude Sonnet 5.5 (Low, Default Fallback)

Seconds until the first answer token after any reasoning · Average of the single-request and multi-turn agentic workloads measured · Lower is better

Reliability

Share of requests the endpoint failed, across all the single-request and multi-turn agentic workloads measured

Endpoint Error Rate: Claude Sonnet 5.5 (Low, Default Fallback)

Share of requests the endpoint failed with an error, a rate limit or a timeout · Across all the single-request and multi-turn agentic workloads measured · Lower is better

Caching

Cache Hit Rate: Claude Sonnet 5.5 (Low, Default Fallback)

Median across multi-turn agentic session runs in the last four weeks, updated Oct 26, 2026 · Higher is better

Cost per Task vs. Cache Hit Rate: Claude Sonnet 5.5 (Low, Default Fallback)

Weighted average cost (USD) per Intelligence Index task · Cache hit rate: median of the last four weeks, updated Oct 26, 2026
Most attractive quadrant

Key Comparison Metrics & API Features

Amazon Bedrock logoAmazon Bedrock
$0.48
2.7
3.85
0.0%
1M
Proprietary
Anthropic logoAnthropic
$0.51
2.7
3.18
0.0%
1M
Proprietary
Google logoGoogle
$1.03
2.5
2.32
0.0%
1M
Proprietary
Microsoft Azure logoMicrosoft Azure
$0.48
2.5
2.57
0.8%
1M
Proprietary

Frequently Asked Questions

Common questions about Claude Sonnet 5.5 (Low, Default Fallback) providers