Grok 4.5 API Pricing
xAI · released 2026-07-08
Grok 4.5 price
0.200¢ / 1K
0.600¢ / 1K
0.300¢ / 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 | 0.28¢ |
| RAG query | 4,000 in / 500 out | $0.0110 |
| Long document summary | 50,000 in / 1,000 out | $0.1060 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0720 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $84.00 |
Cost = (input tokens ÷ 1,000,000 × $2.00) + (output tokens ÷ 1,000,000 × $6.00).
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 155.1 | epoch | 2026-07-08 |
| Epoch Mock AIME accuracy | 97.8% | epoch | 2026-07-08 |
| Epoch FrontierMath (T1–3) accuracy | 57.2% | epoch | 2026-07-08 |
| Arena text rating | 1465 | arena | 2026-10-28 |
| Arena coding rating (human preference votes, not task accuracy) | 1514 | arena | 2026-10-28 |
| Arena math rating | 1472 | arena | 2026-10-28 |
| Arena WebDev rating | 1553 | 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 | 75.8 | 2026-06-25 |
| LiveBench Reasoning | 87.2 | 2026-06-25 |
| LiveBench Coding | 68.6 | 2026-06-25 |
| LiveBench Agentic Coding | 56.5 | 2026-06-25 |
| LiveBench Mathematics | 90.8 | 2026-06-25 |
| LiveBench Data Analysis | 73.0 | 2026-06-25 |
| LiveBench Language | 82.8 | 2026-06-25 |
| LiveBench Instruction Following | 71.5 | 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
Similar ECI, lower price
| Model | ECI | Blended $/1M |
|---|---|---|
| GLM-5.3-Flash | 153.6 | $0.1942 |
| GPT-6 Luna | 156.7 | $0.20 |
| DeepSeek V4.1 Flash 1017 | 159.3 | $0.2625 |
| GPT-5.6 Luna | 156.8 | $0.45 |
| DeepSeek V4 Pro 0813 | 155.9 | $0.99 |
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 4.5 See Grok 4.5 on the leaderboard
Prices: xAI's official list price as recorded by models.dev; benchmarks: see sources below; last synced 2026-11-06.
FAQ
Who develops Grok 4.5?
Grok 4.5 is developed by xAI, released 2026-07-08.
How much does Grok 4.5 cost per million tokens?
Grok 4.5 costs $2.00 per 1M input tokens and $6.00 per 1M output tokens ($3.00 blended), per xAI's official list price as recorded by models.dev.
What is the Grok 4.5 API price?
The Grok 4.5 API price is $2.00 per 1M input tokens and $6.00 per 1M output tokens ($3.00 per 1M blended).
How much does Grok 4.5 cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.28¢ on Grok 4.5, at $2.00/1M input and $6.00/1M output.
Is Grok 4.5 free?
Grok 4.5's official API list price is $2.00 per 1M input tokens and $6.00 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check xAI's site for those.
How does Grok 4.5 rank on benchmarks?
Grok 4.5 scores 155.1 on the Epoch Capabilities Index (ECI), ranking #40 of 107 models we track with a published ECI score.
Is there a cheaper model with a similar ECI to Grok 4.5?
Yes — GLM-5.3-Flash scores a similar ECI (153.6) at $0.1942/1M blended, versus $3.00/1M for Grok 4.5.
Where does this data come from?
Pricing for Grok 4.5 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.