DeepSeek V3 0324 is $0.05 cheaper per 1M input tokens (20% lower; 1.25x difference).
API cost decision in 10 seconds
GPT-5 Mini vs DeepSeek V3 0324
Pick DeepSeek V3 0324 for lower cost; pick GPT-5 Mini only if the larger context window matters more.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick DeepSeek V3 0324 for lower cost; pick GPT-5 Mini only if the larger context window matters more.
On the standard 1M input plus 500K output workload, DeepSeek V3 0324 is estimated at $0.58 vs $1.25 for GPT-5 Mini, saving $0.67 (53.2% lower).
Cost-first pickDeepSeek V3 0324
Context-first pickGPT-5 Mini
Sample savings$0.6753.2%
10x traffic gap$6.65
GPT-5 Mini has more context, but DeepSeek V3 0324 saves $0.67 on the standard workload. At 10x that traffic, the same price gap is about $6.65. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
DeepSeek V3 0324 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | GPT-5 Mini | DeepSeek V3 0324 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | DeepSeek V3 0324 | $2.25 | $1.39 |
| Balanced workload | 1M input + 1M output | DeepSeek V3 0324 | $2.25 | $0.97 |
| Output-heavy chatbot | 1M input + 5M output | DeepSeek V3 0324 | $10.25 | $4.05 |
DeepSeek V3 0324 is $1.23 cheaper per 1M output tokens (61.5% lower; 2.6x difference).
GPT-5 Mini has 236.16K more context (2.44x larger).
DeepSeek V3 0324 is $0.67 cheaper on the standard workload (53.2% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
DeepSeek V3 0324 has the lower input price; DeepSeek V3 0324 has the lower output price; GPT-5 Mini offers the larger context window. For the 1M input plus 500K output sample, DeepSeek V3 0324 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $1.25 for GPT-5 Mini and $0.58 for DeepSeek V3 0324.
Choose GPT-5 Mini when you care most about larger context window.
Choose DeepSeek V3 0324 when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, DeepSeek V3 0324 is estimated at $0.58 vs $1.25 for GPT-5 Mini, saving $0.67 (53.2% lower).
- DeepSeek V3 0324 is $0.67 cheaper on the standard workload (53.2% lower).
- DeepSeek V3 0324 is $0.05 cheaper per 1M input tokens (20% lower; 1.25x difference).
- DeepSeek V3 0324 is $1.23 cheaper per 1M output tokens (61.5% lower; 2.6x difference).
- GPT-5 Mini has 236.16K more context (2.44x larger).
| Feature | GPT-5 Mini (OpenAI) | DeepSeek V3 0324 (DeepSeek) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.25 | $0.2 |
| Completion Price per 1M tokens | $2 | $0.77 |
| Sample Workload Cost 1M input + 500K output | $1.25 | $0.58 |
| Context Window | 400K | 163.84K |
| Release Date | ||
| Popularity | #33 | #52 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | DeepSeek V3 0324 | On the standard 1M input plus 500K output workload, DeepSeek V3 0324 is estimated at $0.58 vs $1.25 for GPT-5 Mini, saving $0.67 (53.2% lower). |
| High-volume input processing | DeepSeek V3 0324 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | DeepSeek V3 0324 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GPT-5 Mini | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace GPT-5 Mini when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace GPT-5 Mini when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace GPT-5 Mini when lower sample workload cost matters most: $0.1.
- gpt-oss-120b can replace GPT-5 Mini when lower sample workload cost matters most: $0.13.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.
- DeepSeek V4 Pro offers 1.05M context with $0.87 sample workload cost.
- DeepSeek V4 Flash · DeepSeek · #1
- Hy3 preview · Tencent · #2
- Claude Opus 4.7 · Anthropic · #3
- Claude Sonnet 4.6 · Anthropic · #4
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