Claude Haiku 4 vs GPT-4.5: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Claude Haiku 4 and GPT-4.5 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude Haiku 4GPT-4.5
ProviderAnthropicOpenAI
Input Price / 1M tokens$1.00$75.00
Output Price / 1M tokens$5.00$150.00
Context Window
200K
128K
Max Output Tokens
8,192
8,192
Arena ELO
1,220
1,290
Coding ELO
1,195
1,295
TTFT (ms)
150
150
Tokens/sec
130
100
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionYesYes
When to Use Claude Haiku 4

Claude Haiku 4 excels at chatbots, classification, cost-sensitive, high-volume tasks.

Strengths:

  • Very fast response times
  • 200K context window
  • Affordable for Anthropic quality
  • Good instruction following

Best for:

chatbotsclassificationcost-sensitivehigh-volume
When to Use GPT-4.5

GPT-4.5 excels at multimodal, vision, general-purpose tasks.

Strengths:

  • Latest OpenAI model
  • Strong multimodal
  • Fast inference

Best for:

multimodalvisiongeneral-purpose

Related Comparisons