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 listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGPT-4o-mini wins on price and on Terminal-Bench. GPT-5 Mini wins on intelligence and on context window.
Price
GPT-4o-mini
Terminal-Bench
GPT-4o-mini
Intelligence
GPT-5 Mini
Context window
GPT-5 Mini
Key takeaways
who wins on what, from the published numbersGPT-4o-mini wins
- Cheaper input ($0.15 vs $0.25 /1M)
- Cheaper output ($0.60 vs $1.20 /1M)
GPT-5 Mini wins
- Larger context window (131K vs 1M)
- Higher max output (16K vs 128K)
- More serving providers (6 vs 9)
- Has reasoning mode
- Has web search
Cheaper overall
GPT-4o-mini
$0.15 + $0.60 /1M
Larger context
GPT-5 Mini
1M
More providers
GPT-5 Mini
9 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 | GPT-5 Mini | |
|---|---|---|
| Input $/1M | $0.15via OpenAI best | $0.25via Databricks |
| Output $/1M | $0.60via OpenAI best | $1.20via Snowflake |
| Context window | 131K | 1M best |
| Max output | 16K | 128K best |
| Serving providers | 6 | 9 best |
| Date | Released Jul 18, 2024 | Released Aug 7, 2025 |
Benchmarks
Benchmark scores, side by side| GPT-4o-mini | GPT-5 Mini | |
|---|---|---|
| Intelligence | 6.7 | 16.8 best |
| Terminal-Bench | 6% best | 4% |
| GPQA Diamond | 43% | 83% best |
| Output speed | 120 t/s | 155 t/s best |
| Latency (TTFT) | 0.84s best | 49.51s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
GPT-4o-mini
via Gmi
$1.35
GPT-5 Mini
via Databricks
$3.25
Capabilities
feature support, side by side| Feature | GPT-4o-mini | GPT-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) from OpenAI. GPT-4o-mini is cheaper for output ($0.60 vs $1.20 per 1M tokens) from OpenAI.
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 1M 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 benchmarks, GPT-4o-mini leads on Terminal-Bench, and GPT-5 Mini leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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