Grok 4.3
As of Oct 4, 2026, the cheapest Grok 4.3 API price is $1.25 per 1M input tokens (302.AI) and $2.5 per 1M output tokens (302.AI). Grok 4.3 is offered by 30 providers in the grok family, reasoning enabled. xAI's own rate is $2.5 per 1M output tokens.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| Provider | 1M input | 1M output | 1M cache read | 1M cache write | Context |
|---|---|---|---|---|---|
| 302.AI | Cheapest$1.25 | Cheapest$2.5 | — | — | 1.0M |
| Abacus | $1.25 | $2.5 | $0.2 | — | 1.0M |
| AIHubMix | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| Amazon Bedrock | $1.25 | $2.5 | $0.2 | — | 1.0M |
| Auriko | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| Cloudflare AI Gateway | $1.25 | $2.5 | $0.2 | — | 1.0M |
| CrossModel | †$1.25 | $2.5 | $0.2 | $1.25 | 1.0M |
| DaoXE | $1.25 | $2.5 | $0.2 | — | 1.0M |
| Eden AI | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| FastRouter | $1.25 | $2.5 | — | — | 1.0M |
| FrogBot | $1.25 | $2.5 | $0.2 | — | 1.0M |
| Vertex | $1.25 | $2.5 | $0.2 | — | 200k |
| Impossibl | $1.25 | $2.5 | $0.2 | — | 1.0M |
| Kilo Gateway | $1.25 | $2.5 | $0.2 | — | 1.0M |
| DevPass (LLM Gateway) | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| LLM Gateway | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| LLM Gateway | $1.25 | $2.5 | $0.2 | — | 20k |
| LLM Gateway | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| Merge Gateway | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| NanoGPT | $1.25 | $2.5 | $0.2 | — | 1.0M |
| OCI Generative AI | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| Ofox | $1.25 | $2.5 | $0.2 | — | 1.0M |
| OpenRouter | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| Opper | $1.25 | $2.5 | $0.2 | — | 1.0M |
| OrcaRouter | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| Requesty | †$1.25 | $2.5 | $0.2 | $1.25 | 1.0M |
| Tempr Gateway | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| Vercel AI Gateway | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| xAI | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| ZenMux | †$1.25 | $2.5 | $0.2 | — | 1.0M |
| Venice AI | †$1.42 | $2.83 | $0.23 | — | 1.0M |
Grok 4.3 pricing FAQ
What is the cheapest Grok 4.3 API?
As of Oct 4, 2026, 302.AI has the lowest Grok 4.3 output price at $2.5 per 1M tokens, and 302.AI has the lowest input price at $1.25 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How much does Grok 4.3 cost on xAI?
xAI charges $1.25 per 1M input tokens and $2.5 per 1M output tokens for Grok 4.3.
How many providers offer Grok 4.3?
30 providers list Grok 4.3 on Sovyron; 31 of them sell it at a metered per-token price.
Is Grok 4.3 free?
No provider in the Sovyron catalog lists a free tier for Grok 4.3.
What is the context window of Grok 4.3?
Grok 4.3 supports a 1.0M-token context window and up to 1.0M output tokens.