GPT-4o-mini vs o4 Mini
API pricing, context window and capabilities for GPT-4o-mini and o4 Mini, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGPT-4o-mini wins on price. o4 Mini wins on intelligence and on context window. Benchmark data is unavailable for one or both models.
Price
GPT-4o-mini
Terminal-Bench
Not called
Intelligence
o4 Mini
Context window
o4 Mini
Key takeaways
who wins on what, from the published numbersGPT-4o-mini wins
- Cheaper input ($0.15 vs $1.00 /1M)
- Cheaper output ($0.60 vs $4.00 /1M)
- More serving providers (6 vs 5)
o4 Mini wins
- Larger context window (131K vs 200K)
- Higher max output (16K vs 100K)
- Has reasoning mode
- Has web search
Cheaper overall
GPT-4o-mini
$0.15 + $0.60 /1M
Larger context
o4 Mini
200K
More providers
GPT-4o-mini
6 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
| GPT-4o-mini | o4 Mini | |
|---|---|---|
| Input $/1M | $0.15via OpenAI best | $1.00via Replicate |
| Output $/1M | $0.60via OpenAI best | $4.00via Replicate |
| Context window | 131K | 200K best |
| Max output | 16K | 100K best |
| Serving providers | 6 best | 5 |
| Date | Released Jul 18, 2024 | Released Apr 16, 2025 |
Benchmarks
Benchmark scores, side by side| GPT-4o-mini | o4 Mini | |
|---|---|---|
| Intelligence | 6.7 | 16.6 best |
| Terminal-Bench | 6% | Not available |
| GPQA Diamond | 43% | 78% best |
| Output speed | 120 t/s | 151 t/s best |
| Latency (TTFT) | 0.84s best | 23.12s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
GPT-4o-mini
via Gmi
$1.35
o4 Mini
via Replicate
$9.00
Capabilities
feature support, side by side| Feature | GPT-4o-mini | o4 Mini |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | — | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | — | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, GPT-4o-mini or o4 Mini?
GPT-4o-mini is cheaper for input ($0.15 vs $1.00 per 1M tokens) from OpenAI. GPT-4o-mini is cheaper for output ($0.60 vs $4.00 per 1M tokens) from OpenAI.
What is the context window difference between GPT-4o-mini and o4 Mini?
GPT-4o-mini has a 131K-token context window and o4 Mini has 200K tokens, so o4 Mini can take a larger prompt.
How do GPT-4o-mini and o4 Mini compare on benchmarks?
On the tracked benchmarks, o4 Mini leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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