Ways to buy 5
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 xAI APIThe lab's own API · cached $0.2 | $1.25 | $2.5 | $1.25 / $2.5List price | $0.2 | List price |
 OCI Generative AIFrom the platform pricing page | $1.25 | $2.5 | $1.25 / $2.5Same as list | n/a | Same as list |
| xAI zdr · cached $0.2 | $1.25 | $2.5 | $1.25 / $2.5Same as list | $0.2 | Same as list |
| xAI priority · cached $0.4 | $2.5 | $5 | $2.5 / $5+100% vs list | $0.4 | +100% vs list |
| xAI zdr-priority · cached $0.4 | $2.5 | $5 | $2.5 / $5+100% vs list | $0.4 | +100% vs list |
USD per 1M tokens; batch $1 in, $2 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $175.00 direct.
Helicone$175.00+0%
Kong AI Gateway$175.00+0%
LiteLLM$175.00+0%
Vercel AI Gateway$175.00+0%
Cloudflare AI Gateway$183.75+5%
Requesty$183.75+5%
Eden AI$184.63+5.5%
OpenRouter$184.63+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| Grok 4.7 xAI · 500K | $1.6 | $4.8 | $1.6 / $4.8 | $2.4 | 500K | Lab list price | · |
| Grok 4.6 xAI · 500K | $2 | $6 | $2 / $6 | $3 | 500K | Lab list price | · |
| Grok 4.5 xAI · 500K | $2 | $6 | $2 / $6 | $3 | 500K | Lab list price | · |
| Grok Build 0.1 xAI · 256K | $1 | $2 | $1 / $2 | $1.25 | 256K | Lab list price | · |
 Muse Spark 1.3Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 Gemini 3.8 FlashGoogle · 1MCheapest: $0.75 on Google Gemini API (flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Gemini API (flex) | · |
| Muse Spark 1.1 Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 Qwen3.8 Max (0902)Qwen (Alibaba) · 1M | $2 | $6 | $2 / $6 | $3 | 1M | Lab list price | · |
About Grok 4.3
Grok 4.3 is a reasoning model from SpaceXAI.
Takes text, image, files in and returns text. First listed May 4, 2026. Up to 900K output tokens. Blended price $1.56 per 1M tokens at 3 input to 1 output. Model id grok-4-3.
Price history
List price since May 4, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Across fru.devCompany profile2 acquisitions
Questions
How much does Grok 4.3 cost?
$1.25 per million input tokens and $2.5 per million output tokens, with cached input at $0.2, or $1 and $2 through the Batch API.
What is the context window of Grok 4.3?
1M tokens, with up to 900K tokens of output.
Where is Grok 4.3 cheapest?
Of 5 routes tracked, xAI is cheapest at $1.25 input and $2.5 output per million tokens.
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.