GPT-4.1 Mini vs GPT-4o-mini

API pricing, context window and capabilities for GPT-4.1 Mini and GPT-4o-mini, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

GPT-4.1 Mini wins on Terminal-Bench, on intelligence and on context window. GPT-4o-mini wins on price.

Price
GPT-4o-mini
Terminal-Bench
GPT-4.1 Mini
Intelligence
GPT-4.1 Mini
Context window
GPT-4.1 Mini

Key takeaways

who wins on what, from the published numbers

GPT-4.1 Mini wins

  • Larger context window (1M vs 131K)
  • Higher max output (33K vs 16K)
  • Has web search

GPT-4o-mini wins

  • Cheaper input ($0.40 vs $0.15 /1M)
  • Cheaper output ($1.60 vs $0.60 /1M)
  • More serving providers (5 vs 6)
Cheaper overall
GPT-4o-mini
$0.15 + $0.60 /1M
Larger context
GPT-4.1 Mini
1M
More providers
GPT-4o-mini
6 providers

Pricing & specs

cheapest listed route · per 1M tokens
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
GPT-4.1 MiniGPT-4o-mini
Input $/1M$0.40via OpenAI $0.15via OpenAI best
Output $/1M$1.60via OpenAI $0.60via OpenAI best
Context window1M best131K
Max output33K best16K
Serving providers5 6 best
DateFirst listed Apr 2025 Released Jul 18, 2024

Benchmarks

Benchmark scores, side by side
GPT-4.1 MiniGPT-4o-mini
Intelligence10.2 best6.7
Terminal-Bench10% best6%
GPQA Diamond66% best43%
Output speed154 t/s best120 t/s
Latency (TTFT)0.68s best0.84s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
GPT-4.1 Mini
via Azure
$3.60
GPT-4o-mini
via Gmi
$1.35

Capabilities

feature support, side by side
FeatureGPT-4.1 MiniGPT-4o-mini
Vision✓✓
Tool use✓✓
Reasoning——
Audio——
Prompt caching✓✓
Structured output✓✓
Web search✓—

Related comparisons

Frequently asked questions

Which is cheaper, GPT-4.1 Mini or GPT-4o-mini?
GPT-4o-mini is cheaper for input ($0.40 vs $0.15 per 1M tokens) from OpenAI. GPT-4o-mini is cheaper for output ($1.60 vs $0.60 per 1M tokens) from OpenAI.
What is the context window difference between GPT-4.1 Mini and GPT-4o-mini?
GPT-4.1 Mini has a 1M-token context window and GPT-4o-mini has 131K tokens, so GPT-4.1 Mini can take a larger prompt.
How do GPT-4.1 Mini and GPT-4o-mini compare on benchmarks?
On the tracked benchmarks, GPT-4.1 Mini leads on Terminal-Bench, and GPT-4.1 Mini leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

Every weekday

AI moves fast. Here's your debrief.

News, analysis, tools, and more.

For people who build with AI