Grok 4.3 is an AI model by xAI. View detailed benchmark scores, pricing data, and performance metrics on Serenities AI Models.
Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.
General Benchmarks
Artificial Analysis composite intelligence score across 10 sub-benchmarks
Artificial Analysis (via OpenRouter)Coding Benchmarks
Human preference ELO for building things — websites, UI, games, charts, SVG
Design Arena (via OpenRouter)Artificial Analysis composite coding score
Artificial Analysis (via OpenRouter)Human preference ELO for building a working web page from a brief
Design Arena (via OpenRouter)Reasoning Benchmarks
Artificial Analysis composite score for multi-step tool-using tasks
Artificial Analysis (via OpenRouter)Cost Benchmarks
Cost per 1M cached input tokens — the price that actually applies to a long agent conversation
OpenRouter APIContext Benchmarks
Available from 28 providers
The same model costs different amounts depending on who serves it. You can bring your own key for 5 of these — connect it here.
| Provider | Input / 1M | Output / 1M | Cached in | Context | Your key |
|---|---|---|---|---|---|
| 302.AI | $1.25 | $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 | Supported |
| 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 | 1.0M | — |
| DaoXE | $1.25 | $2.5 | $0.2 | 1.0M | — |
| DevPass (LLM Gateway) | $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 | — |
| Impossibl | $1.25 | $2.5 | $0.2 | 1.0M | — |
| Kilo Gateway | $1.25 | $2.5 | $0.2 | 1.0M | — |
| 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 | — |
| Ofox | $1.25 | $2.5 | $0.2 | 1.0M | — |
| OpenRouter | $1.25 | $2.5 | $0.2 | 1.0M | Supported |
| 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 | 1.0M | — |
| Vercel AI Gateway | $1.25 | $2.5 | $0.2 | 1.0M | Supported |
| Vertex | $1.25 | $2.5 | $0.2 | 200K | Supported |
| xAI | $1.25 | $2.5 | $0.2 | 1.0M | Supported |
| ZenMux | $1.25 | $2.5 | $0.2 | 1.0M | — |
| Venice AI | $1.42 | $2.83 | $0.23 | 1.0M | — |
| AnyAPI | — | — | — | 1.0M | — |
Grok 4.3 — Benchmark Scores Overview
Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).
Compare Grok 4.3 With
Grok 4.3 — Frequently Asked Questions
How much does Grok 4.3 cost?
Grok 4.3 costs $1.3 per 1M input tokens and $2.5 per 1M output tokens. This is mid-range pricing for its capability level.
What is the context window of Grok 4.3?
Grok 4.3 has a context window of 1.0M tokens. This determines how much text, conversation history, and code the model can process in a single request.
Who created Grok 4.3?
Grok 4.3 was created by xAI. It is classified as a mid model in our catalogue.
Is Grok 4.3 open source?
No, Grok 4.3 is a proprietary model. It is available through xAI's API and compatible providers.