diff --git a/results.json b/results.json
index 63ee630..ecca04a 100644
--- a/results.json
+++ b/results.json
@@ -362,5 +362,18 @@
     "7_scheduler": 79.87219575399999,
     "8_json_validator": 28.535885181999998,
     "9_stream_visualizer": 21.60573508199997
+  },
+  "x-ai/grok-4.1-fast": {
+    "10_scrypt_hash": 7.757944809,
+    "11_geospatial": 53.446182177,
+    "1_dijkstra": 27.758440794000002,
+    "2_convex_hull": 36.94094523,
+    "3_lis": 21.781018421000002,
+    "4_determinant": 6.4344023279999965,
+    "5_markdown_parser": 14.127124740999978,
+    "6_csv_processor": 56.944877974,
+    "7_scheduler": 48.61515529499997,
+    "8_json_validator": 36.715725561,
+    "9_stream_visualizer": 20.464613763000003
   }
 }
\ No newline at end of file
diff --git a/tests/10_scrypt_hash/outputs/x-ai_grok-4.1-fast.js b/tests/10_scrypt_hash/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..4e62bd0
--- /dev/null
+++ b/tests/10_scrypt_hash/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,9 @@
+async function hashPassword(password, salt) {
+  const { scrypt } = await import('https://cdn.skypack.dev/scrypt-js');
+  const encoder = new TextEncoder();
+  const pwBuf = encoder.encode(password);
+  const saltBuf = encoder.encode(salt);
+  const hashBuf = await scrypt(pwBuf, saltBuf, 1024, 8, 1, 32);
+  return Array.from(hashBuf).map(b => b.toString(16).padStart(2, '0')).join('');
+}
+export default hashPassword;
\ No newline at end of file
diff --git a/tests/11_geospatial/outputs/x-ai_grok-4.1-fast.js b/tests/11_geospatial/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..e737fff
--- /dev/null
+++ b/tests/11_geospatial/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,6 @@
+async function analyzeGPS(readings, boundary) {
+  const { point: p, booleanPointInPolygon: i, lineString: s, length: l } = await import('https://esm.sh/@turf/turf@6');
+  const v = readings.filter(r => i(p(r.loc), boundary)).sort((a, b) => a.ts - b.ts);
+  return v.length < 2 ? 0 : +l(s(v.map(r => r.loc))).toFixed(2);
+}
+export default analyzeGPS;
\ No newline at end of file
diff --git a/tests/1_dijkstra/outputs/x-ai_grok-4.1-fast.js b/tests/1_dijkstra/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..fdbaa47
--- /dev/null
+++ b/tests/1_dijkstra/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,21 @@
+async function findShortestPath(graph, start, end) {
+  const { PriorityQueue } = await import('https://cdn.skypack.dev/js-priority-queue');
+  const pq = new PriorityQueue({ comparator: (a, b) => a.d - b.d });
+  const dist = {};
+  dist[start] = 0;
+  pq.queue({ node: start, d: 0 });
+  while (!pq.isEmpty()) {
+    const { node, d } = pq.dequeue();
+    if (d > dist[node]) continue;
+    if (node === end) return d;
+    for (const [nei, w] of Object.entries(graph[node] || {})) {
+      const alt = d + w;
+      if (alt < (dist[nei] ?? Infinity)) {
+        dist[nei] = alt;
+        pq.queue({ node: nei, d: alt });
+      }
+    }
+  }
+  return Infinity;
+}
+export default findShortestPath;
\ No newline at end of file
diff --git a/tests/2_convex_hull/outputs/x-ai_grok-4.1-fast.js b/tests/2_convex_hull/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..6c4db59
--- /dev/null
+++ b/tests/2_convex_hull/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,19 @@
+async function findConvexHull(pts) {
+  const { sortBy, uniqBy } = await import('https://cdn.skypack.dev/lodash-es');
+  const ps = uniqBy(pts, p => `${p.x},${p.y}`);
+  if (ps.length < 2) return ps;
+  const sorted = sortBy(ps, ['x', 'y']);
+  const cross = (o, a, b) => (a.x - o.x) * (b.y - o.y) - (a.y - o.y) * (b.x - o.x);
+  const build = (pnts) => {
+    const h = [];
+    for (let p of pnts) {
+      while (h.length > 1 && cross(h[h.length - 2], h.at(-1), p) <= 0) h.pop();
+      h.push(p);
+    }
+    return h;
+  };
+  const lower = build(sorted);
+  const upper = build([...sorted].reverse());
+  return [...lower.slice(0, -1), ...upper.slice(0, -1)];
+}
+export default findConvexHull;
\ No newline at end of file
diff --git a/tests/3_lis/outputs/x-ai_grok-4.1-fast.js b/tests/3_lis/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..3752429
--- /dev/null
+++ b/tests/3_lis/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,11 @@
+async function findLISLength(arr) {
+  const {bisectLeft} = await import('https://cdn.jsdelivr.net/npm/d3-array@3/+esm');
+  let tails = [];
+  for (let num of arr) {
+    let i = bisectLeft(tails, num);
+    if (i === tails.length) tails.push(num);
+    else tails[i] = num;
+  }
+  return tails.length;
+}
+export default findLISLength;
\ No newline at end of file
diff --git a/tests/4_determinant/outputs/x-ai_grok-4.1-fast.js b/tests/4_determinant/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..f685f4d
--- /dev/null
+++ b/tests/4_determinant/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,5 @@
+async function calculateDeterminant(matrix) {
+  const { default: math } = await import('https://cdn.jsdelivr.net/npm/mathjs/lib/browser/math.js');
+  return math.det(matrix);
+}
+export default calculateDeterminant;
\ No newline at end of file
diff --git a/tests/5_markdown_parser/outputs/x-ai_grok-4.1-fast.js b/tests/5_markdown_parser/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..086d7f7
--- /dev/null
+++ b/tests/5_markdown_parser/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,5 @@
+async function parseMarkdown(md) {
+  const { marked } = await import('https://cdn.skypack.dev/marked');
+  return marked.parse(md);
+}
+export default parseMarkdown;
\ No newline at end of file
diff --git a/tests/6_csv_processor/outputs/x-ai_grok-4.1-fast.js b/tests/6_csv_processor/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..5012cb9
--- /dev/null
+++ b/tests/6_csv_processor/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,15 @@
+async function processCSV(csv, config) {
+  const [{ default: Papa }, { aq, sum, mean, count }] = await Promise.all([
+    import('https://cdn.skypack.dev/papaparse'),
+    import('https://cdn.skypack.dev/arquero')
+  ]);
+  const data = Papa.parse(csv, { header: true, skipEmptyLines: true }).data;
+  const { filterColumn, filterValue, groupBy, aggregateColumn, operation } = config;
+  let table = aq.from(data).filter(d => d[filterColumn] == filterValue);
+  if (operation !== 'count') {
+    table = table.derive({ [aggregateColumn]: d => Number(d[aggregateColumn]) || 0 });
+  }
+  const makeAgg = operation === 'count' ? count() : { sum: sum, avg: mean }[operation](aggregateColumn);
+  return table.groupby(groupBy).rollup({ result: makeAgg }).objects();
+}
+export default processCSV;
\ No newline at end of file
diff --git a/tests/7_scheduler/outputs/x-ai_grok-4.1-fast.js b/tests/7_scheduler/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..ddc0dce
--- /dev/null
+++ b/tests/7_scheduler/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,64 @@
+async function findAvailableSlots(cal1, cal2, constraints) {
+  const { DateTime, Interval } = await import('https://esm.sh/luxon@3');
+  const busySlots = [...cal1, ...cal2].map(slot => {
+    const s = DateTime.fromISO(slot.start, { zone: 'utc' });
+    const e = DateTime.fromISO(slot.end, { zone: 'utc' });
+    return s.isValid && e.isValid && s < e ? Interval.fromDateTimes(s, e) : null;
+  }).filter(Boolean);
+  const mergedBusies = Interval.union(busySlots);
+  const rangeStart = DateTime.fromISO(constraints.searchRange.start, { zone: 'utc' });
+  const rangeEnd = DateTime.fromISO(constraints.searchRange.end, { zone: 'utc' });
+  const searchInt = Interval.fromDateTimes(rangeStart, rangeEnd);
+  let covered = mergedBusies
+    .filter(b => searchInt.overlaps(b))
+    .map(b => searchInt.intersection(b))
+    .filter(i => i.isValid);
+  covered.sort((a, b) => a.start.toMillis() - b.start.toMillis());
+  const frees = [];
+  let current = rangeStart;
+  for (const busy of covered) {
+    if (current < busy.start) {
+      frees.push(Interval.fromDateTimes(current, busy.start));
+    }
+    current = DateTime.max(current, busy.end);
+  }
+  if (current < rangeEnd) {
+    frees.push(Interval.fromDateTimes(current, rangeEnd));
+  }
+  const [wsH, wsM] = constraints.workHours.start.split(':').map(Number);
+  const [weH, weM] = constraints.workHours.end.split(':').map(Number);
+  const durMin = constraints.durationMinutes;
+  let workInts = [];
+  let curDay = rangeStart.startOf('day');
+  const endDayStart = rangeEnd.startOf('day');
+  while (curDay <= endDayStart) {
+    const dayWorkS = curDay.set({ hour: wsH, minute: wsM });
+    const dayWorkE = curDay.set({ hour: weH, minute: weM });
+    if (dayWorkS < dayWorkE) {
+      workInts.push(Interval.fromDateTimes(dayWorkS, dayWorkE));
+    }
+    curDay = curDay.plus({ days: 1 });
+  }
+  const allowables = [];
+  for (const free of frees) {
+    for (const work of workInts) {
+      const inter = free.intersection(work);
+      if (inter.isValid) allowables.push(inter);
+    }
+  }
+  const mergedAllows = Interval.union(allowables);
+  const availableSlots = [];
+  for (const allow of mergedAllows) {
+    let slotStart = allow.start;
+    while (allow.contains(slotStart.plus({ minutes: durMin }))) {
+      const slotEnd = slotStart.plus({ minutes: durMin });
+      availableSlots.push({
+        start: slotStart.toISO(),
+        end: slotEnd.toISO()
+      });
+      slotStart = slotEnd;
+    }
+  }
+  return availableSlots;
+}
+export default findAvailableSlots;
\ No newline at end of file
diff --git a/tests/8_json_validator/outputs/x-ai_grok-4.1-fast.js b/tests/8_json_validator/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..a4039b6
--- /dev/null
+++ b/tests/8_json_validator/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,10 @@
+async function validateJSON(data,schema){
+  const{default:Ajv}=await import('https://esm.sh/ajv@7.13.4');
+  const ajv=new Ajv({allErrors:true});
+  const validate=ajv.compile(schema);
+  const valid=validate(data);
+  if(valid)return{valid:true,errors:[]};
+  const errors=validate.errors.map(e=>`${e.instancePath||''} ${e.message||'Validation error'}`.trim()).filter(Boolean);
+  return{valid:false,errors};
+}
+export default validateJSON;
\ No newline at end of file
diff --git a/tests/9_stream_visualizer/outputs/x-ai_grok-4.1-fast.js b/tests/9_stream_visualizer/outputs/x-ai_grok-4.1-fast.js
new file mode 100644
index 0000000..9c8a23a
--- /dev/null
+++ b/tests/9_stream_visualizer/outputs/x-ai_grok-4.1-fast.js
@@ -0,0 +1,21 @@
+async function createStreamVisualizer(iter,opts){
+  const d3=await import('https://cdn.skypack.dev/d3');
+  const {maxPoints=500,alpha=.1,width=800,height=400,yDomain:[0,1]}=opts;
+  let data=[],prevEma=null;
+  for await(const {timestamp:t,value:v}of iter){
+    const ema=prevEma===null?v:alpha*v+(1-alpha)*prevEma;
+    prevEma=ema;
+    data.push({timestamp:t,value:v,ema});
+    if(data.length>maxPoints)data.shift();
+  }
+  if(data.length<2)return{data,path:"M 0 0"};
+  const x0=data[0].timestamp,x1=data.at(-1).timestamp;
+  const xScale=d3.scaleLinear().domain([x0,x1]).range([0,width]);
+  const yScale=d3.scaleLinear().domain(yDomain).range([height,0]);
+  const line=d3.line()
+    .x(d=>xScale(d.timestamp))
+    .y(d=>yScale(d.ema))
+    .curve(d3.curveMonotoneX);
+  return{data,path:line(data)};
+}
+export default createStreamVisualizer;
\ No newline at end of file