diff --git a/kipina-codebench/benchmark.mjs b/kipina-codebench/benchmark.mjs
index 5c9cd58..09a41b8 100644
--- a/kipina-codebench/benchmark.mjs
+++ b/kipina-codebench/benchmark.mjs
@@ -48,6 +48,7 @@ function loadPrompt(name) {
 }
 const CLIENT_SYSTEM = loadPrompt('client');
 const SPEC_SYSTEM = loadPrompt('spec');
+const SPEC_SIMPLE_SYSTEM = existsSync(join(__dirname, 'prompts', 'spec-simple.md')) ? loadPrompt('spec-simple') : SPEC_SYSTEM;
 const FIX_SYSTEM = loadPrompt('fix');
 
 // === Mallikohtaiset profiilit ===
@@ -337,9 +338,11 @@ async function runPipeline(model, scenario, round = 1) {
         result.reqOk = true;
         writeFileSync(`${dir}/_requirements.txt`, req.text);
 
-        // 2. JSON-speksi
-        console.log(`    [2/5] JSON-speksi...`);
-        const specResp = await ollamaChat(specModel, `${req.text}\n\nOutput a JSON spec for this project.`, SPEC_SYSTEM, 4096);
+        // 2. JSON-speksi (small-malleille yksinkertaistettu skeema)
+        const specProfile = PROFILES.models[specModel]?.profile || PROFILES.default_profile;
+        const specPrompt = specProfile === 'small' ? SPEC_SIMPLE_SYSTEM : SPEC_SYSTEM;
+        console.log(`    [2/5] JSON-speksi${specProfile === 'small' ? ' (simple)' : ''}...`);
+        const specResp = await ollamaChat(specModel, `${req.text}\n\nOutput a JSON spec for this project.`, specPrompt, 4096);
         timings.push(specResp);
         const spec = extractJson(specResp.text);
         if (!spec || !spec.entities || spec.entities.length === 0) { result.error = 'JSON-speksi epäonnistui'; writeFileSync(`${dir}/_spec_raw.txt`, specResp.text); return result; }
diff --git a/kipina-codebench/prompts/spec-simple.md b/kipina-codebench/prompts/spec-simple.md
new file mode 100644
index 0000000..538c074
--- /dev/null
+++ b/kipina-codebench/prompts/spec-simple.md
@@ -0,0 +1,17 @@
+You design database schemas. Output ONLY valid JSON, no explanations.
+
+SCHEMA:
+{"project_name":"name","entities":[{"name":"Entity","table_name":"entities","fields":[{"name":"field","type":"string","nullable":false,"default":null}]}],"relationships":[{"from":"Child","field":"parent_id","to":"Parent"}]}
+
+FIELD TYPES: string, text, int, float, bool, date, datetime
+- Status fields: type "string", default "draft" or "pending"
+- id is automatic — do NOT include it
+- FK fields: type "int", name ends with _id
+
+RULES:
+- Parent entities BEFORE children in array
+- Every _id field needs a relationship entry
+- Max 7 fields, max 3 entities
+- English names only
+
+EXAMPLE: Blog → Author: name(string), email(string) / Post: title(string), content(text), author_id(int)→Author, status(string,default="draft")