AI Rate CardDeepSeek-V3.1 vs DeepSeek V4.1 Flash: API price and specs
DeepSeek V4.1 Flash is 76% cheaper than DeepSeek-V3.1 on input price.
DeepSeek V4.1 Flash is 79% cheaper than DeepSeek-V3.1 on output price.
DeepSeek V4.1 Flash is 77% cheaper than DeepSeek-V3.1 on a 1M-in / 200k-out workload.
DeepSeek V4.1 Flash has a 539.4% larger context than DeepSeek-V3.1.
| Field | DeepSeek-V3.1 | DeepSeek V4.1 Flash |
|---|---|---|
| Lowest input, per 1M | $0.19 +322.2% | $0.045 |
| Median input, per 1M | $0.27 | $0.30 +12.4% |
| Lowest output, per 1M | $0.71 +373.3% | $0.15 |
| Median output, per 1M | $1.00 | $1.20 +20% |
| Lowest unit price | — | — |
| Cost of 1M in + 200k out | $0.33 +342.7% | $0.075 |
| Context | 164K +84.4% | 1M |
| Max output | 164K +84.4% | 1M |
| Providers | 18 +70% | 60 |
| Regions | US | APAC, EU, GLOBAL, US |
| Accepts | text | application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text |
| Returns | text | text |
| Type | Text models | Text models |
| Free option | no | yes |
| Cheapest provider | meganova | openrouter |
Your own workload: how many tokens the model gets (input) and gives back (output) - for example, in a month. The "Cost" row of the table above is recalculated for these numbers, for each model.
Computed from current offers each time the page opens; the best value of a row is bold, the percent is how far behind the best.
Providers selling both
aihubmix, aiml, baseten, deepinfra, edenai, fastrouter, google-vertex, huggingface, jiekou, meganova, poe, requesty, siliconflow, togetherai, trustedrouter, vercel
Frequently asked questions
Which is cheaper, DeepSeek-V3.1 or DeepSeek V4.1 Flash?
DeepSeek V4.1 Flash is 76% cheaper than DeepSeek-V3.1 on input price. DeepSeek V4.1 Flash is 79% cheaper than DeepSeek-V3.1 on output price. DeepSeek V4.1 Flash is 77% cheaper than DeepSeek-V3.1 on a 1M-in / 200k-out workload.
Which has the larger context, DeepSeek-V3.1 or DeepSeek V4.1 Flash?
DeepSeek-V3.1: 164K tokens; DeepSeek V4.1 Flash: 1M tokens.
Where can I use both DeepSeek-V3.1 and DeepSeek V4.1 Flash?
aihubmix, aiml, baseten, deepinfra, edenai, fastrouter, google-vertex, huggingface, jiekou, meganova, poe, requesty, siliconflow, togetherai, trustedrouter, vercel