# gpt-5 vs deepseek-v3

> gpt-5 vs deepseek-v3: cost per 1M tokens, latency, throughput and monthly bill. deepseek-v3 runs about 96% cheaper on the same workload.

Source: https://tokenomy.ai/compare/gpt-5-vs-deepseek-v3
Last updated: 2026-09-21
Publisher: Tokenomy — FinOps for AI
License: free to quote with attribution and a link to the source URL.

## Answer

On a 1,500-input, 500-output call at 10,000 calls a day, gpt-5 costs about $3,150 a month and deepseek-v3 about $113 — deepseek-v3 is roughly 96% cheaper than gpt-5. gpt-5 lists $12.00 per 1M output tokens against deepseek-v3 at $0.30.

gpt-5 costs $3.00/1M in and $12.00/1M out; deepseek-v3 costs $0.15/1M in and $0.30/1M out.

## Price per 1M tokens

gpt-5: input $3.00, output $12.00. deepseek-v3: input $0.15, output $0.30.

- Monthly at 10,000 calls/day — gpt-5: $3,150, deepseek-v3: $113
- Monthly at 100,000 calls/day — gpt-5: $31,500, deepseek-v3: $1,125
- Time to first token — gpt-5: 250 ms, deepseek-v3: 220 ms
- Throughput — gpt-5: 180 tok/s, deepseek-v3: 60 tok/s

## Which one to run

If your workload tolerates deepseek-v3's quality, the saving is immediate. If it does not, route: send the easy calls to deepseek-v3 and keep gpt-5 for the hard ones.

## Frequently asked questions

### Is gpt-5 cheaper than deepseek-v3?

deepseek-v3 is cheaper. At 10,000 calls a day with 1,500 input and 500 output tokens, gpt-5 costs about $3,150 a month and deepseek-v3 about $113.

### What is the price difference between gpt-5 and deepseek-v3?

About 96% on the same workload, using list prices with no caching or batch discounts.

## Related pages

- [Scan your AI spend free](https://tokenomy.ai/waste)
- [All comparisons](https://tokenomy.ai/compare)
- [gpt-5 pricing](https://tokenomy.ai/models/gpt-5)
- [deepseek-v3 pricing](https://tokenomy.ai/models/deepseek-v3)
- [Same model, different hosts](https://tokenomy.ai/endpoints)