diff --git a/CHANGELOG.md b/CHANGELOG.md
index e4447a5..8474e43 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
+- [2024-10-09] [Extract memory to class](https://github.com/RubricLab/memory/commit/5e165608ffad822c5b77ee03f1dfc308dcb1787a)
 - [2024-10-09] [Fix precision calc](https://github.com/RubricLab/memory/commit/52fc41e151c47e276c37a24b3489ba414d032a0b)
 - [2024-10-09] [Generalize eval arch](https://github.com/RubricLab/memory/commit/bf80487850e840525a1521925a439d7d9fc8d638)
 - [2024-10-09] [Add help cmd](https://github.com/RubricLab/memory/commit/9f35d0016dcd5d0f909cb77c2ea33ef70da60fb1)
diff --git a/evals/index.ts b/evals/index.ts
index 3ceb7ed..97b1b21 100644
--- a/evals/index.ts
+++ b/evals/index.ts
@@ -29,6 +29,8 @@ if (import.meta.path === Bun.main) {
 		process.exit(0)
 	}
 
-	await runOneShotExamples({ fast: args.values.fast })
-	await runMultiTurnExamples({ fast: args.values.fast })
+	const model = args.values.fast ? 'gpt-4o-mini' : 'gpt-4o-2024-08-06'
+
+	await runOneShotExamples({ model })
+	await runMultiTurnExamples({ model })
 }
diff --git a/evals/multi-turn/index.ts b/evals/multi-turn/index.ts
index 3a02127..f5d9cda 100644
--- a/evals/multi-turn/index.ts
+++ b/evals/multi-turn/index.ts
@@ -1,10 +1,10 @@
+import type { openai } from '@ai-sdk/openai'
+import { Memory } from '../..'
 import { EXAMPLES } from './examples'
 
-export const runMultiTurnExamples = async ({
-	fast
-}: {
-	fast?: boolean
-}) => {
+export const runMultiTurnExamples = async ({ model }: { model: Parameters<typeof openai>[0] }) => {
+	const memory = new Memory({ model })
+
 	for await (const eg of EXAMPLES) {
 		console.log(eg)
 	}
diff --git a/evals/one-shot/index.ts b/evals/one-shot/index.ts
index 7f7f871..b596b3e 100644
--- a/evals/one-shot/index.ts
+++ b/evals/one-shot/index.ts
@@ -1,54 +1,23 @@
-import { openai } from '@ai-sdk/openai'
-import { generateObject } from 'ai'
+import type { openai } from '@ai-sdk/openai'
 import chalk from 'chalk'
-import { z } from 'zod'
-import { clean, format } from '../../utils/string.ts'
+import { Memory } from '../../index.ts'
+import { format } from '../../utils/string.ts'
 import { EXAMPLES } from './examples.ts'
 
-export const runOneShotExamples = async ({ fast }: { fast?: boolean }) => {
+export const runOneShotExamples = async ({ model }: { model: Parameters<typeof openai>[0] }) => {
 	let totalFacts = 0
 	let totalRecall = 0
 	let totalAttempts = 0
 
+	const memory = new Memory({ model })
+
 	for await (const eg of EXAMPLES) {
 		totalFacts += eg.facts.length
 
 		console.log(chalk.yellow(`\n\n"${eg.content}"`))
 
-		const {
-			object: { facts: attempts }
-		} = await generateObject({
-			model: openai(fast ? 'gpt-4o-mini' : 'gpt-4o-2024-08-06'),
-			schema: z.object({
-				facts: z.array(
-					z.object({
-						subject: z.string(),
-						relation: z.string().describe('a verb phrase'),
-						object: z.string(),
-						data: z.record(z.string(), z.string()).optional().describe('to capture any additional info')
-					})
-				)
-			}),
-			prompt: clean`Please extract all probable and implicit facts from the following passage.
-            Portray the first-person as "user".
-            Capture new relationships.
-            Try to capture the most up-to-date state of affairs in present tense.
-            Passage:
-            "${eg.content}"
-            `
-			// messages: [
-			// 	{
-			// 		role: 'system',
-			// 		content: clean`Please extract all probable and implicit facts from the following passage.
-			//       Portray the first-person as "user".
-			//       Capture new relationships.
-			//       Try to capture the most up-to-date state of affairs in present tense.`
-			// 	},
-			// 	{
-			// 		role: 'user',
-			// 		content: eg.content
-			// 	}
-			// ]
+		const { facts: attempts } = await memory.extract({
+			content: eg.content
 		})
 
 		const omitted: number[] = []
diff --git a/index.ts b/index.ts
index 4dc39eb..9c7b2ea 100644
--- a/index.ts
+++ b/index.ts
@@ -1 +1,54 @@
-export const memory = () => 'memory'
+import { openai } from '@ai-sdk/openai'
+import { generateObject } from 'ai'
+import { z } from 'zod'
+import { clean } from './utils/string'
+
+export class Memory {
+	model: Parameters<typeof openai>[0]
+	constructor({
+		model
+	}: {
+		model: Parameters<typeof openai>[0]
+	}) {
+		this.model = model
+	}
+
+	async extract({ content }: { content: string }) {
+		const {
+			object: { facts }
+		} = await generateObject({
+			model: openai(this.model),
+			schema: z.object({
+				facts: z.array(
+					z.object({
+						subject: z.string(),
+						relation: z.string().describe('a verb phrase'),
+						object: z.string(),
+						data: z.record(z.string(), z.string()).optional().describe('to capture any additional info')
+					})
+				)
+			}),
+			prompt: clean`Please extract all probable and implicit facts from the following passage.
+            Portray the first-person as "user".
+            Capture new relationships.
+            Try to capture the most up-to-date state of affairs in present tense.
+            Passage:
+            "${content}"`
+			// messages: [
+			// 	{
+			// 		role: 'system',
+			// 		content: clean`Please extract all probable and implicit facts from the following passage.
+			//       Portray the first-person as "user".
+			//       Capture new relationships.
+			//       Try to capture the most up-to-date state of affairs in present tense.`
+			// 	},
+			// 	{
+			// 		role: 'user',
+			// 		content: eg.content
+			// 	}
+			// ]
+		})
+
+		return { facts }
+	}
+}
diff --git a/package.json b/package.json
index afb01fd..c1fc0b0 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@rubriclab/memory",
   "module": "index.ts",
-  "version": "0.0.7",
+  "version": "0.0.8",
   "private": false,
   "type": "module",
   "devDependencies": {