Last updated: Oct 14, 2026 59 sources 20 endpoints monitored

grok-4.5

1469 Score third-party Elo · arena.ai / LMArena ?

Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.

LLM & Generative AI 1 model 1 listings snapshot Oct 14, 2026, 12:43 AM

Platforms

click a card to open the detail table
Cheapest OpenRouter no official benchmark Input$2.00 Output$6.00 per 1M tokens Fastest OpenRouter lowest p50 latency on this board 128.1 ms p50 Most free quota — largest published free allowance — free tier

Model variants

W3r9 dedup — same model + identical tags merge; prices are listed per billing form
Model Provider Tags Input /1M Output /1M
x-ai/grok-4.5 OpenRouter 488k contextmultimodalreasoning $2.00 $6.00

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

  • website 1284 · 52.5% wr
  • uicomponent 1280 · 51.3% wr
  • codecategories 1278 · 50.9% wr
  • dataviz 1269 · 49.8% wr
  • gamedev 1267 · 49.2% wr
  • 3d 1259 · 50.3% wr
  • asciiart 1257 · 54.8% wr
  • androidnative 1249 · 63.9% wr
  • fullstack 1249 · 60.7% wr
  • agenticgamedev 1235 · 55.9% wr
  • python-pptxslides 1230 · 53.9% wr
  • godotgamedev 1229 · 58.2% wr

Input / Output modalities modality: text+image+file->text

  • text in+out
  • image input only

Platform details

per provider
provider model Input /1M Output /1M Latency ? Official $/1M Availability Data time
OpenRouter x-ai/grok-4.5 $2.00 $6.00 128.1 ms — 100% available 2026-10-14 00:43:21
xAI Official grok-4.5 $2.00 $6.00 — $2.00 — 2026-10-14 00:54:15

2 rows · snapshot 2026-10-14 00:43:21 · from data/public/prices.json + measurements.json