CtrlAltDebrief

GPT-4o vs O1 Mini

API pricing, context window and capabilities for GPT-4o and O1 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-4o wins on context window. O1 Mini wins on price and on intelligence. Benchmark data is unavailable for one or both models.

Price
O1 Mini
Terminal-Bench
Not called
Intelligence
O1 Mini
Context window
GPT-4o

Key takeaways

who wins on what, from the published numbers

GPT-4o wins

  • Larger context window (131K vs 128K)
  • More serving providers (6 vs 2)
  • Supports vision
  • Supports audio
  • Supports structured output

O1 Mini wins

  • Cheaper input ($2.50 vs $1.10 /1M)
  • Cheaper output ($10.00 vs $4.40 /1M)
  • Higher max output (16K vs 66K)
  • Has reasoning mode
Cheaper overall
O1 Mini
$1.10 + $4.40 /1M
Larger context
GPT-4o
131K
More providers
GPT-4o
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-4oO1 Mini
Input $/1M$2.50via OpenAI $1.10via Azure best
Output $/1M$10.00via OpenAI $4.40via Azure best
Context window131K best128K
Max output16K 66K best
Serving providers6 best2
DateReleased May 13, 2024 Released Jan 1, 2025

Benchmarks

Benchmark scores, side by side
GPT-4oO1 Mini
Intelligence8.4 9.8 best
GPQA Diamond54% 60% best
Output speed150 t/s Not available
Latency (TTFT)0.79s Not available

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
GPT-4o
via Gmi
$23
O1 Mini
via Replicate
$9.90

Capabilities

feature support, side by side
FeatureGPT-4oO1 Mini
Vision✓—
Tool use✓✓
Reasoning—✓
Audio✓—
Prompt caching✓✓
Structured output✓—
Web search——

Related comparisons

Frequently asked questions

Which is cheaper, GPT-4o or O1 Mini?
O1 Mini is cheaper for input ($2.50 vs $1.10 per 1M tokens) from Azure. O1 Mini is cheaper for output ($10.00 vs $4.40 per 1M tokens) from Azure.
What is the context window difference between GPT-4o and O1 Mini?
GPT-4o has a 131K-token context window and O1 Mini has 128K tokens, so GPT-4o can take a larger prompt.
How do GPT-4o and O1 Mini compare on benchmarks?
On the tracked benchmarks, O1 Mini leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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