Writing with Hemmingway

Guides

• The best open-source LLM for writingHemmingway-1 is a 27B open-weights model under Apache-2.0, built for writing that sounds like a person. How it scores, what it needs, and how to run it.
• The best AI for writing emails and messagesWe tested the largest AI models on eighty real email and message requests in blind head-to-head matchups. Here are the scores, and what they mean.
• The best AI for creative writing in 2026Which AI models write the best stories, poems and letters? Our blind StoryBench and EQ-Bench 4 results, including where our own model loses.
• How to make AI write like youPractical ways to get an AI to write in your own voice: what to give it, what to ask for, what to cut, and when a model built for it saves the effort.
• How to make AI text sound humanWhy AI-written text reads as AI, the specific habits to cut, and how to rewrite a draft so it reads like a person wrote it, by hand or with Hemmingway.
• EQ-Bench 4: how Hemmingway-1 scoresEQ-Bench 4 tests emotional intelligence in conversation. We ran it on Hemmingway-1 with the official harness: 1330, third of 27, ahead of GPT-5.5 and Opus.
• An AI that sounds humanMost AI writing gives itself away in a line. Here is what makes text read as a person's, and how Hemmingway-1 was built and tested to sound like one.
• AI that writes your email repliesHemmingway reads your mail, drafts each reply the way you would write it, and waits for you to send it. Here is how it works and what it will not do on its own.
• AI that replies to your textsHemmingway drafts replies to your texts, WhatsApp, Slack and Teams messages in the way you write to each person, and only sends on its own when you let it.

Comparisons

• Hemmingway vs Hemingway EditorHemmingway (two m's) is an AI that writes for you. Hemingway Editor (one m) highlights hard-to-read sentences in what you wrote. Here is which is which.
• Hemmingway vs GrammarlyGrammarly checks and polishes what you write. Hemmingway writes it for you, in your voice, and can draft replies from your inbox. How they differ and when to use each.
• Hemmingway vs Claude for writingClaude is one of the best writers among AI models. How Hemmingway-1 compares with Fable 5.1, Fable 5 and Opus on emails, sounding human, emotional intelligence and stories.
• Hemmingway vs ChatGPT for writingChatGPT does almost everything. Hemmingway does one thing: writing that sounds like you. How they compare on emails, messages, stories and privacy.
• Claude vs ChatGPT for writingWhich writes better, Claude or ChatGPT? Our blind tests of Fable 5.1 and GPT-6 Astra on everyday messages, sounding human, stories and emotional intelligence.