Claude 3.5 Sonnet latest vs Claude Haiku 4.5

Name: Claude Haiku 4.5
Brand: Azure AI Foundry
Price: 1.000000 USD

Claude 3.5 Sonnet latest vs Claude Haiku 4.5: Claude Haiku 4.5 is cheaper by 67% on average. Claude 3.5 Sonnet latest from Anthropic (200,000-token context, tool calls) vs. Claude Haiku 4.5 from Azure AI Foundry (200,000-token context, reasoning, tool calls). Use Agent Command Center to A/B both in shadow mode and pick the winner per workload.

Side-by-side cost

Live workload comparison

Same workload run through both models. The cheaper one is highlighted.

Input tokens / request3,000

0200,000

Output tokens / request400

064,000

Requests / day5,000

01,000,000

Claude 3.5 Sonnet latest

Anthropic

$2,283/mo

Input $3.00/M · Output $15.00/M

Claude Haiku 4.5Cheaper

Azure AI Foundry

$761/mo

Input $1.00/M · Output $5.00/M

At this workload, Claude Haiku 4.5 is 67% cheaper than Claude 3.5 Sonnet latest — a savings of $1,522/month ($18,263/year).

Production recipe — Agent Command Center

strategy: cost-optimized
primary:
  model: claude-haiku-4-5
  provider: azure-ai-foundry
fallback:
  model: claude-3-5-sonnet-latest
  provider: anthropic
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live

Get started free →Routing docs ↗

	Claude 3.5 Sonnet latest Anthropic	Claude Haiku 4.5 Azure AI Foundry
Input price	$3.00/M	$1.00/M
Output price	$15.00/M	$5.00/M
Context window	200,000	200,000
Max output	8,192	64,000
Function calling	✓	✓
Vision	✓	✓
Audio input	—	—
Reasoning	—	✓
Prompt caching	✓	✓
Structured output	✓	✓
Pricing verified	May 7, 2026	May 12, 2026