GPT-4o-mini vs GPT-5 Mini

API pricing, context window and capabilities for GPT-4o-mini and GPT-5 Mini, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.

Verdict

computed from the published numbers

GPT-4o-mini wins on price. GPT-5 Mini wins on coding, on intelligence and on context window.

Price
GPT-4o-mini
Coding
GPT-5 Mini
Intelligence
GPT-5 Mini
Context window
GPT-5 Mini

Key takeaways

who wins on what, from the published numbers

GPT-4o-mini wins

  • Cheaper input ($0.15 vs $0.25 /1M)
  • Cheaper output ($0.60 vs $2.00 /1M)

GPT-5 Mini wins

  • Larger context window (131K vs 272K)
  • Higher max output (16K vs 128K)
  • Has reasoning mode
  • Has web search
Cheaper overall
GPT-4o-mini
$0.15 + $0.60 /1M
Larger context
GPT-5 Mini
272K
More providers
Tied

Pricing & specs

cheapest serving route · per 1M tokens
GPT-4o-miniGPT-5 Mini
Input $/1M$0.15 best$0.25
Output $/1M$0.60 best$2.00
Context window131K 272K best
Max output16K 128K best
Serving providers5 5
Released2024-07-18 2025-08-07

Benchmarks

Artificial Analysis indices, side by side
GPT-4o-miniGPT-5 Mini
Intelligence6.9 25.3 best
Coding11.4 15.6 best
GPQA Diamond43% 83% best
Output speed47 t/s 116 t/s best
Latency (TTFT)6.68s best16.99s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
GPT-4o-mini
via Azure
$1.35
GPT-5 Mini
via Databricks
$3.25

Capabilities

feature support, side by side
FeatureGPT-4o-miniGPT-5 Mini
Vision
Tool use
Reasoning
Audio
Prompt caching
Structured output
Web search

Related comparisons

Frequently asked questions

Which is cheaper, GPT-4o-mini or GPT-5 Mini?
GPT-4o-mini is cheaper for input ($0.15 vs $0.25 per 1M tokens). GPT-4o-mini is cheaper for output ($0.60 vs $2.00 per 1M tokens).
What is the context window difference between GPT-4o-mini and GPT-5 Mini?
GPT-4o-mini has a 131K-token context window and GPT-5 Mini has 272K tokens, so GPT-5 Mini can take a larger prompt.
How do GPT-4o-mini and GPT-5 Mini compare on benchmarks?
On the tracked Artificial Analysis indices, GPT-5 Mini leads on coding, and GPT-5 Mini leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily

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