Grok 4.3 API Pricing
xAI · released 2026-04-17
Grok 4.3 price
0.125¢ / 1K
0.250¢ / 1K
0.156¢ / 1K
Higher rates apply above a context threshold; see the official site
Official list price from xAI, as recorded by models.dev
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.137¢ |
| RAG query | 4,000 in / 500 out | 0.625¢ |
| Long document summary | 50,000 in / 1,000 out | $0.0650 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0425 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $41.25 |
Cost = (input tokens ÷ 1,000,000 × $1.25) + (output tokens ÷ 1,000,000 × $2.50).
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | No public data yet | ||
| Epoch Mock AIME accuracy | 93.3% | epoch | 2026-04-17 |
| Epoch FrontierMath (T1–3) accuracy | 42.8% | epoch | 2026-04-17 |
| Arena text rating | 1442 | arena | 2026-10-28 |
| Arena coding rating (human preference votes, not task accuracy) | 1488 | arena | 2026-10-28 |
| Arena math rating | 1419 | arena | 2026-10-28 |
| Arena WebDev rating | 1358 | arena | 2026-10-28 |
LiveBench
Shown on this model page only — LiveBench data never appears in any leaderboard, comparison table or structured data on this site.
| LiveBench metric | Value | As of |
|---|---|---|
| LiveBench Global Average | 62.2 | 2026-06-25 |
| LiveBench Reasoning | 70.8 | 2026-06-25 |
| LiveBench Coding | 69.9 | 2026-06-25 |
| LiveBench Agentic Coding | 18.5 | 2026-06-25 |
| LiveBench Mathematics | 84.3 | 2026-06-25 |
| LiveBench Data Analysis | 55.8 | 2026-06-25 |
| LiveBench Language | 73.6 | 2026-06-25 |
| LiveBench Instruction Following | 62.8 | 2026-06-25 |
LiveBench leaderboard (livebench.ai, github.com/LiveBench/new-livebench), CC BY-SA 4.0 — livebench.ai · github.com/LiveBench/new-livebench · CC BY-SA 4.0
More from xAI
| Model | Released | Blended $/1M |
|---|---|---|
| Grok Voice 3.0 | 2026-10-14 | — |
| Grok Imagine Video 1.5 Lite | 2026-10-01 | — |
| Grok 4.7 | 2026-09-21 | $3.00 |
| Grok Voice Transcribe 2.0 | 2026-09-17 | — |
| Grok 4.6 | 2026-08-12 | $3.00 |
| Grok Imagine Image 2.0 | 2026-08-07 | — |
| Grok Voice STT 1.0 | 2026-08-04 | — |
| Grok Voice TTS 1.0 | 2026-07-31 | — |
Count tokens & estimate cost for Grok 4.3
Prices: xAI's official list price as recorded by models.dev; benchmarks: see sources below; last synced 2026-11-06.
FAQ
Who develops Grok 4.3?
Grok 4.3 is developed by xAI, released 2026-04-17.
How much does Grok 4.3 cost per million tokens?
Grok 4.3 costs $1.25 per 1M input tokens and $2.50 per 1M output tokens ($1.5625 blended), per xAI's official list price as recorded by models.dev.
What is the Grok 4.3 API price?
The Grok 4.3 API price is $1.25 per 1M input tokens and $2.50 per 1M output tokens ($1.5625 per 1M blended).
How much does Grok 4.3 cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.137¢ on Grok 4.3, at $1.25/1M input and $2.50/1M output.
Is Grok 4.3 free?
Grok 4.3's official API list price is $1.25 per 1M input tokens and $2.50 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check xAI's site for those.
Where does this data come from?
Pricing for Grok 4.3 comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses); LiveBench scores (below) are CC BY-SA 4.0 — see /data-sources/. Last synced 2026-11-06.