LV
LLMversus

GPT-4.5 vs GPT-4o Mini: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4.5 and GPT-4o Mini across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4.5GPT-4o Mini
ProviderOpenAIOpenAI
Input Price / 1M tokens$75.00$0.150
Output Price / 1M tokens$150.00$0.600
Context Window
128K
128K
Max Output Tokens
8,192
16,384
Arena ELO
1,290
1,220
Coding ELO
1,295
1,200
TTFT (ms)
150
180
Tokens/sec
100
120
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionYesYes
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
When to Use GPT-4o Mini

GPT-4o Mini excels at chatbots, lightweight-tasks, cost-sensitive tasks.

Strengths:

  • Extremely affordable pricing
  • Fast response times
  • Strong for its price tier
  • Good multimodal support

Best for:

chatbotslightweight-taskscost-sensitive

Related Comparisons

Claude Opus 4 vs GPT-4.5Claude Opus 4 vs GPT-4o MiniGemini 2 5 Pro vs GPT-4.5Gemini 2 5 Pro vs GPT-4o MiniGPT-4.5 vs O3GPT-4o Mini vs O3Deepseek R1 vs GPT-4.5Deepseek R1 vs GPT-4o MiniGPT-4.5 vs O1GPT-4o Mini vs O1GPT-4.5 vs Qwen 3 235bGPT-4o Mini vs Qwen 3 235bGemini Exp 1206 vs GPT-4.5Gemini Exp 1206 vs GPT-4o MiniGPT-4.5 vs Groq Deepseek R1GPT-4.5 vs Llama 4 MaverickGPT-4.5 vs Together Deepseek R1GPT-4.5 vs Grok 3Claude Sonnet 4 vs GPT-4.5Deepseek V3 vs GPT-4.5