xAI: Grok 4
Analysis Summary
xAI: Grok 4 sits in the Professional tier on our leaderboard, ranked #47 of 525 published models on overall intelligence. At $3.00 input and $15.00 output per 1M tokens, it is among the most expensive on the market. It offers a generous context window for extended reasoning and code review and supports tool use, function calling, vision, and reasoning.
Editorial notes
Grok 4 from xAI is a top-tier model with outstanding math, coding, and reasoning scores, vision support, strong agentic capability, and a 256K context window — one of the most capable models available for demanding business and development tasks, with pricing in line with other premium flagships.
Assessed April 16, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not..
Capabilities
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does xAI: Grok 4 stack up?
Compare side-by-side with other professional models.
Model Information
| OpenRouter ID |
x-ai/grok-4
|
| Provider | x-ai |
| Release Date | July 9, 2025 |
| Context Length | 256,000 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $3.00 | $0.003000 |
| Output | $15.00 | $0.015000 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
