# DeepSeek vs Grok: API prices compared, dated and sourced

Canonical page: https://bertrande.com/en/vs/deepseek-vs-grok/
License: CC-BY-4.0, reuse with attribution and a link.

No value below was produced, estimated or completed by a language model. Every figure was read from a source we name, on the date we give.

The cheapest DeepSeek model we track, deepseek-flash, costs $1.20 per million output tokens and $0.300 per million input tokens. The cheapest Grok model, grok-build-0.1, costs $2.00 per million output tokens and $1.00 per million input tokens. At the entry level, DeepSeek is 1.7 times cheaper than Grok on output tokens. Prices read on 11 September 2026 and 18 September 2026.

## DeepSeek models

| Model | Input $/1M | Output $/1M | Read on |
|---|---|---|---|
| deepseek-flash | $0.300 | $1.20 | 2026-09-11 |
| deepseek-v4-pro | $1.32 | $3.96 | 2026-09-11 |

## Grok models

| Model | Input $/1M | Output $/1M | Read on |
|---|---|---|---|
| grok-build-0.1 | $1.00 | $2.00 | 2026-09-18 |
| grok-4.20-0309-non-reasoning | $1.25 | $2.50 | 2026-09-18 |
| grok-4.20-0309-reasoning | $1.25 | $2.50 | 2026-09-18 |
| grok-4.20-multi-agent-0309 | $1.25 | $2.50 | 2026-09-18 |
| grok-4.3 | $1.25 | $2.50 | 2026-09-18 |
| grok-4.5 | $2.00 | $6.00 | 2026-09-18 |
| grok-4.6 | $2.00 | $6.00 | 2026-09-18 |


Method: https://bertrande.com/en/methodology/
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