Compare AI models

Specifications
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.
1M—
API pricingUSD per 1M tokens · lower wins
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.
$0.05Morph—
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$0.15Relace—
$17.50Relace—
Benchmarks
Humanity's Last Exam · with toolsMultidisciplinary reasoning — Humanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better.
42.6%35%
Overview
CompanyDeepSeekSpaceXSI
Release dateOct 17 2026Apr 17 2026
AccessOpen WeightClosed
Model detailsView modelView model

Frequently asked questions

DeepSeek-V4.1-Flash-1017 leads Grok 4.3 Beta on 1 of the 1 benchmark they both report (Humanity's Last Exam). Grok 4.3 Beta shipped 183 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 Grok 4.3 Beta is closed.

On Humanity's Last Exam · with tools, DeepSeek-V4.1-Flash-1017 leads at 42.6% vs Grok 4.3 Beta at 35%.