O4 Mini
Provider: openai ·
o4-mini Pricing per million tokens
| Component | USD per 1M tokens |
|---|---|
| Input | $1.10 |
| Output | $4.40 |
| Cached input (read) | $0.28 |
💡 With prompt caching, you save up to 75% on cached input tokens — massive for repeated context like system prompts, RAG retrieval, or long conversations.
Monthly cost estimates
Assuming 30% prompt-cache hit rate where available. Adjust for your actual usage.
Small
1M in / 200k out
$1.73
per month
Saves $0.25 via caching
Medium
10M in / 2000k out
$17.32
per month
Saves $2.48 via caching
Large
100M in / 20000k out
$173
per month
Saves $24.75 via caching
Context
- Input window
- 200,000 tokens
- Max output
- 100,000 tokens
Capabilities
- ✅ Vision (image input)
- ✅ Function / tool calling
- ✅ Prompt caching
- ✅ Web search
- ✅ JSON / response schema
Compare O4 Mini with similar models
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openai
$0.60 in
/ $2.40 out
Gpt Audio Mini 2025 10 06
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/ $2.40 out
Gpt Audio Mini 2025 12 15
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/ $2.40 out
Gpt 4o Mini Realtime Preview
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/ $2.40 out
Gpt 4o Mini Realtime Preview 2024 12 17
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$0.60 in
/ $2.40 out
Gpt 5
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$1.25 in
/ $10.00 out
Pricing data sourced from LiteLLM and refreshed regularly. Last updated May 20, 2026. Always verify with the provider's official pricing page before making business decisions.