DeepSeek: DeepSeek V3 vs OpenAI: GPT-6 Astra
DeepSeek: DeepSeek V3 is cheaper than OpenAI: GPT-6 Astra by about 98% on a blended (75% input / 25% output) basis. DeepSeek: DeepSeek V3 charges $0.280000 / $0.420000 per 1M input/output tokens; OpenAI: GPT-6 Astra charges $10.000000 / $50.000000.
| Field | DeepSeek: DeepSeek V3 | OpenAI: GPT-6 Astra |
|---|---|---|
| Input $/Mtok | $0.280000 | $10.000000 |
| Output $/Mtok | $0.420000 | $50.000000 |
| Cache read $/Mtok | $0.028000 | $1.000000 |
| Cache write $/Mtok | – | $12.500000 |
| Input $/Mchar | 0.091836 | 2.817139 |
| Output $/Mchar | 0.137755 | 14.085697 |
| Context window | 163840 | 1050000 |
| Tokenizer | deepseek | o200k |
Price history
Same workload, monthly cost
Illustrative monthly cost at 10M tokens/month, split per workload preset. Not a substitute for the calculator, which uses your own volume, cache and batch assumptions.
| Workload | DeepSeek: DeepSeek V3 | OpenAI: GPT-6 Astra |
|---|---|---|
| Coding agent | $2.87 | $120.00 |
| RAG chat | $3.01 | $160.00 |
| Summarisation (batch) | $2.94 | $140.00 |
| Classification | $2.83 | $108.00 |
| Chat assistant | $3.36 | $260.00 |
| Content generation | $3.92 | $420.00 |
Cite this page
DeepSeek: DeepSeek V3 vs OpenAI: GPT-6 Astra: $0.280000/$0.420000 vs $10.000000/$50.000000 per 1M tokens as of 2026-10-04. Token Barometer by Dejan Strbad, https://tokenbarometer.com, data CC BY 4.0. https://tokenbarometer.com/compare/deepseek_deepseek-chat-vs-openai_gpt-6-astra
DeepSeek: DeepSeek V3 page | OpenAI: GPT-6 Astra page | Open in calculator