Compare AI models

API pricingUSD per 1M tokens · lower wins · base tier
Input priceWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it.
—$2.00
Output priceWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one.
—$12.00
Cached input priceA reduced rate for text you send over and over. If every request starts with the same instructions or the same document, the provider keeps a copy ready and charges less to read it again.
—$0.20
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page.
$0.15DeepSeek$1.00Google
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$0.60DeepSeek$6.00Google
$60.00DeepSeek$1,000Google list price
Benchmarks
DeepSWE 1.1Agentic coding — Artificial Analysis' independent test of deep, agentic software-engineering work — the AI has to plan and carry out substantial coding tasks end to end. (Version 1.1 of the test.) Higher is better.
77%12%
Humanity's Last Exam · no toolsMultidisciplinary reasoning — Humanity's Last Exam — extremely hard expert questions across many subjects, written so you can't just look up the answer. “No tools” means the AI answers on its own. Higher is better.
42.6%44.4%
Overview
CompanyDeepSeekGoogle
Release dateOct 17 2026Feb 19 2026
AccessOpen WeightClosed
Model detailsView modelView model

Frequently asked questions

DeepSeek-V4.1-Flash-1017 and Gemini 3.1 Pro are evenly matched across the 2 benchmarks they both report (DeepSWE 1.1, Humanity's Last Exam). Only Gemini 3.1 Pro has a verified first-party API price: $2.00 per million input tokens and $12.00 per million output tokens. No pay-as-you-go API rate is tracked for DeepSeek-V4.1-Flash-1017. Gemini 3.1 Pro shipped 240 days before DeepSeek-V4.1-Flash-1017, so benchmark comparisons should account for the intervening progress.

DeepSeek-V4.1-Flash-1017 is open weight, while Gemini 3.1 Pro is closed.

On DeepSWE 1.1, DeepSeek-V4.1-Flash-1017 leads at 77% vs Gemini 3.1 Pro at 12%. On Humanity's Last Exam · no tools, Gemini 3.1 Pro leads at 44.4% vs DeepSeek-V4.1-Flash-1017 at 42.6%.