Grok-3: Benchmarks, Pricing & Context Window
Grok-3 is a language model from xAI, released in February 2025, with multimodal input, a 128K-token context window, and pricing from $3.00/M input and $15.00/M output.
Grok 3, launched by xAI on February 17, 2025, is an advanced AI model with significantly enhanced capabilities compared to Grok 2, boasting an order of magnitude increase in performance. Trained on a vast dataset that includes legal
Grok-3 benchmarks
Capability tiers
Standing within each category, adjusted for leaderboard depth.
Real tasks performance
High-confidence performance for Grok-3 across real-world prompt categories. Only 95% intervals at most 4 points wide are shown.
Performance by conversation depth
How Grok-3 holds up as conversations get longer.
Quality Tracker
Grok-3 Performance Across Datasets
Scores sourced from the model's scorecard, paper, or official blog posts
llm-stats.com - Fri Oct 09 2026Grok-3 pricing
Providers
Grok-3 starts at $3.00 per million input tokens and $15.00 per million output tokens via xAI.
| Provider | Input $/M | Cached input $/M | Output $/M | Context in / out | TTFT p95 s | Output p5 c/s | Modalities in / out |
|---|---|---|---|---|---|---|---|
 xAI | $3.00 | — | $15.00 | 128.0K/8.0K | 0.70 | — | / |
Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests.
Grok-3 context window
Input and output token limits for Grok-3, plus how it ranks on long-context understanding.
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Grok-3 latency
Grok-3 time to first token, sustained output throughput, and failed-request rate from live model usage over the trailing 7 days.
Grok-3 examples
Recent arena outputs from Grok-3, picked from the highest-ranked matchups.
Grok-3 license
Grok-3 is a proprietary model available under its provider's product and API terms, has a knowledge cutoff of November 2024.
- License
- Proprietary
- Hosted access
- Knowledge cutoff
- November 2024
Proprietary license - usage restrictions apply
Grok-3 resources
Official sources for Grok-3: provider documentation.
Grok-3 vs other models
The most-compared alternatives to Grok-3 are LongCat-Flash-Thinking, Grok-4 Heavy, Step3-VL-10B. Open any pair side-by-side for benchmarks, pricing, context, and latency.
Models like Grok-3
Models ranked just above and below Grok-3 by LLM Stats score.
FAQ
Common questions about Grok-3.