DeepSeek V4.1 Flash vs Kimi K3.1 Pro: API price and specs

DeepSeek V4.1 Flash is 94% cheaper than Kimi K3.1 Pro on input price.

DeepSeek V4.1 Flash is 95% cheaper than Kimi K3.1 Pro on output price.

DeepSeek V4.1 Flash is 95% cheaper than Kimi K3.1 Pro on a 1M-in / 200k-out workload.

Field	DeepSeek V4.1 Flash	Kimi K3.1 Pro
Lowest input, per 1M	$0.045	$0.77 +1615.4%
Median input, per 1M	$0.30	$2.00 +566.7%
Lowest output, per 1M	$0.15	$3.23 +2053.3%
Median output, per 1M	$1.20	$10.00 +733.3%
Lowest unit price	—	—
Cost of 1M in + 200k out	$0.075	$1.42 +1790.6%
Context	1M	1M
Max output	1M +0.1%	1M
Providers	60	23 +61.7%
Regions	APAC, EU, GLOBAL, US	APAC
Accepts	application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text	file, image, text, video
Returns	text	text
Type	Text models	Text models
Free option	yes	no
Cheapest provider	openrouter	kenari

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

302ai, abacus, aihubmix, aiml, cometapi, edenai, fastrouter, impossibl, jiekou, kenari, kilo, meganova, moark, nearai, novita, ofox, openrouter, poe, requesty, trustedrouter, vercel, volcengine, zenmux

Frequently asked questions

Which is cheaper, DeepSeek V4.1 Flash or Kimi K3.1 Pro?

DeepSeek V4.1 Flash is 94% cheaper than Kimi K3.1 Pro on input price. DeepSeek V4.1 Flash is 95% cheaper than Kimi K3.1 Pro on output price. DeepSeek V4.1 Flash is 95% cheaper than Kimi K3.1 Pro on a 1M-in / 200k-out workload.

Which has the larger context, DeepSeek V4.1 Flash or Kimi K3.1 Pro?

DeepSeek V4.1 Flash: 1M tokens; Kimi K3.1 Pro: 1M tokens.

Where can I use both DeepSeek V4.1 Flash and Kimi K3.1 Pro?