CtrlAltDebrief

GPT-4o vs o4 Mini

API pricing, context window and capabilities for GPT-4o and o4 Mini, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.

Verdict

computed from the published numbers

o4 Mini wins on price, on intelligence and on context window. Benchmark data is unavailable for one or both models.

Price
o4 Mini
Coding
Not called
Intelligence
o4 Mini
Context window
o4 Mini

Key takeaways

who wins on what, from the published numbers

GPT-4o wins

  • More serving providers (6 vs 4)
  • Supports audio

o4 Mini wins

  • Cheaper input ($2.50 vs $1.00 /1M)
  • Cheaper output ($10.00 vs $4.00 /1M)
  • Larger context window (131K vs 200K)
  • Higher max output (16K vs 100K)
  • Has reasoning mode
  • Has web search
Cheaper overall
o4 Mini
$1.00 + $4.00 /1M
Larger context
o4 Mini
200K
More providers
GPT-4o
6 providers

Pricing & specs

cheapest serving route · per 1M tokens
GPT-4oo4 Mini
Input $/1M$2.50 $1.00 best
Output $/1M$10.00 $4.00 best
Context window131K 200K best
Max output16K 100K best
Serving providers6 best4
Released2024-05-13 2025-04-16

Benchmarks

Artificial Analysis indices, side by side
GPT-4oo4 Mini
Intelligence11.2 25.6 best
GPQA Diamond54% 78% best
Output speed99 t/s 148 t/s best
Latency (TTFT)5.19s best11.56s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
GPT-4o
via Azure
$23
o4 Mini
via Replicate
$9.00

Capabilities

feature support, side by side
FeatureGPT-4oo4 Mini
Vision✓✓
Tool use✓✓
Reasoning—✓
Audio✓—
Prompt caching✓✓
Structured output✓✓
Web search—✓

Related comparisons

Compare o4 Mini with

GPT-4o-mini

Frequently asked questions

Which is cheaper, GPT-4o or o4 Mini?
o4 Mini is cheaper for input ($2.50 vs $1.00 per 1M tokens). o4 Mini is cheaper for output ($10.00 vs $4.00 per 1M tokens).
What is the context window difference between GPT-4o and o4 Mini?
GPT-4o has a 131K-token context window and o4 Mini has 200K tokens, so o4 Mini can take a larger prompt.
How do GPT-4o and o4 Mini compare on benchmarks?
On the tracked Artificial Analysis indices, o4 Mini leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily

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