Claude 3.5 Sonnet (2024-10-22) vs Claude Haiku 4.5

Claude 3.5 Sonnet (2024-10-22) vs Claude Haiku 4.5: Claude Haiku 4.5 is cheaper by 67% on average. Claude 3.5 Sonnet (2024-10-22) 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.

3,000
0200,000
400
064,000
5,000
01,000,000
Anthropic
$2,283/mo
Input $3.00/M · Output $15.00/M
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 (2024-10-22) — 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-20241022
  provider: anthropic
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live
Claude 3.5 Sonnet (2024-10-22) Claude Haiku 4.5
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
Cheaper option
~67% cheaper than Claude 3.5 Sonnet (2024-10-22)
Larger context
200,000 tokens
More capabilities
5 of 6 capability flags advertised

Benchmark comparison

Side-by-side public benchmark scores. Greener bar = winner.

Chatbot Arena ELOgeneral
Claude 3.5 Sonnet (2024-10-22)
1,283
Claude Haiku 4.5
1,310
HumanEvalcode
Claude 3.5 Sonnet (2024-10-22)
93.7%
Claude Haiku 4.5
89.5%
MMLUgeneral
Claude 3.5 Sonnet (2024-10-22)
88.7%
Claude Haiku 4.5
BFCL v3agent
Claude 3.5 Sonnet (2024-10-22)
Claude Haiku 4.5
79.3%
MMLU-Proreasoning
Claude 3.5 Sonnet (2024-10-22)
Claude Haiku 4.5
72.4%
MMMUmultimodal
Claude 3.5 Sonnet (2024-10-22)
68.3%
Claude Haiku 4.5
GPQA Diamondreasoning
Claude 3.5 Sonnet (2024-10-22)
65.0%
Claude Haiku 4.5
55.2%
SWE-bench Verifiedagent
Claude 3.5 Sonnet (2024-10-22)
49.0%
Claude Haiku 4.5
52.0%