DeepSeek V4 Pro 0423 is $4.29 cheaper per 1M input tokens (85.8% lower; 7.03x difference).
API cost decision in 10 seconds
GPT Chat Latest vs DeepSeek V4 Pro 0423
Pick DeepSeek V4 Pro 0423 when budget and context both matter.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick DeepSeek V4 Pro 0423 when budget and context both matter.
On the standard 1M input plus 500K output workload, DeepSeek V4 Pro 0423 is estimated at $1.42 vs $20 for GPT Chat Latest, saving $18.58 (92.9% lower).
Cost-first pickDeepSeek V4 Pro 0423
Context-first pickDeepSeek V4 Pro 0423
Sample savings$18.5892.9%
10x traffic gap$185.77
DeepSeek V4 Pro 0423 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $185.77. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
DeepSeek V4 Pro 0423 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | GPT Chat Latest | DeepSeek V4 Pro 0423 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | DeepSeek V4 Pro 0423 | $40 | $4.27 |
| Balanced workload | 1M input + 1M output | DeepSeek V4 Pro 0423 | $35 | $2.13 |
| Output-heavy chatbot | 1M input + 5M output | DeepSeek V4 Pro 0423 | $155 | $7.82 |
DeepSeek V4 Pro 0423 is $28.58 cheaper per 1M output tokens (95.3% lower; 21.1x difference).
DeepSeek V4 Pro 0423 has 648.58K more context (2.62x larger).
DeepSeek V4 Pro 0423 is $18.58 cheaper on the standard workload (92.9% 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 V4 Pro 0423 has the lower input price; DeepSeek V4 Pro 0423 has the lower output price; DeepSeek V4 Pro 0423 offers the larger context window. For the 1M input plus 500K output sample, DeepSeek V4 Pro 0423 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $20 for GPT Chat Latest and $1.42 for DeepSeek V4 Pro 0423.
Choose GPT Chat Latest when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
Choose DeepSeek V4 Pro 0423 when you care most about lower input-token price, lower output-token price, and larger context window.
- On the standard 1M input plus 500K output workload, DeepSeek V4 Pro 0423 is estimated at $1.42 vs $20 for GPT Chat Latest, saving $18.58 (92.9% lower).
- DeepSeek V4 Pro 0423 is $18.58 cheaper on the standard workload (92.9% lower).
- DeepSeek V4 Pro 0423 is $4.29 cheaper per 1M input tokens (85.8% lower; 7.03x difference).
- DeepSeek V4 Pro 0423 is $28.58 cheaper per 1M output tokens (95.3% lower; 21.1x difference).
- DeepSeek V4 Pro 0423 has 648.58K more context (2.62x larger).
| Feature | GPT Chat Latest (OpenAI) | DeepSeek V4 Pro 0423 (DeepSeek) |
|---|---|---|
| Input Price prompt tokens per 1M | $5 | $0.7113 |
| Completion Price per 1M tokens | $30 | $1.4226 |
| Sample Workload Cost 1M input + 500K output | $20 | $1.42 |
| Context Window | 400K | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | DeepSeek V4 Pro 0423 | On the standard 1M input plus 500K output workload, DeepSeek V4 Pro 0423 is estimated at $1.42 vs $20 for GPT Chat Latest, saving $18.58 (92.9% lower). |
| High-volume input processing | DeepSeek V4 Pro 0423 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | DeepSeek V4 Pro 0423 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | DeepSeek V4 Pro 0423 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace GPT Chat Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace GPT Chat Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace GPT Chat Latest when lower sample workload cost matters most: $0.1.
- gpt-oss-120b can replace GPT Chat Latest when lower sample workload cost matters most: $0.12.
- Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.09 sample workload cost.
- GLM 5.3 Flash offers 1.31M context with $0.2 sample workload cost.
- DeepSeek V4 Flash 0731 · DeepSeek · #1
- MiMo-V2.5 · Xiaomi · #2
- Hy3 · Tencent · #3
- GPT-5.6 Luna · OpenAI · #4
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DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is designed for advanced reasoning, coding,...