xAI
Grok 4.5
xAI's 2026 frontier release pairing native tool use with real-time search.
Our editorial assessment, based on the public sources listed below. Last reviewed .
- Overall rank
- #24
- Tier
- A
- Score
- 83.8
- Main category
- Overall
Strengths
- Real-time search grounding is built into the model rather than bolted on
- Available through SuperGrok and X Premium+ subscriptions as well as the API
- Backed by a rapid release cadence across coding and voice products
Considerations
- Independent benchmark coverage lags the other frontier labs
- Subscription tiers gate the strongest configurations
- Enterprise compliance tooling is less mature than rival vendors
Price
API $2 input / $6 output per 1M tokens (prompts under 200K; $4 / $12 above); also in Grok subscriptions
Shown for reference — price is not part of the score.
Score breakdown
- Performance
- 85.0
- 55% of score
- Reputation
- 87.0
- 35% of score
- Recency
- 66.0
- 10% of score
The overall score combines these sub-scores using the weights shown. How we score →
Verification status
Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.
Checked against the sources listed below.
Sources
- xAI — Grok 4.5 (July 16, 2026) (opens in a new tab)Accessed:
- xAI API — Models and pricing (opens in a new tab)Accessed:
- Artificial Analysis — LLM Leaderboard (opens in a new tab)Accessed:
- Perplexity Agent API Changelog (opens in a new tab)Accessed:
- DemandSphere — AI Frontier Model Tracker (updated Aug 6, 2026) (opens in a new tab)Accessed:
Show 7 more sources
- xAI — Grok 4.7 announcement (successor) (opens in a new tab)Accessed:
- xAI News (opens in a new tab)Accessed:
- xAI — Grok 4 (opens in a new tab)Accessed:
- Best AI Models 2026 (opens in a new tab)Accessed:
- GMI Cloud — BenchAlign August 2026: rank 8 and best near-frontier value pick (opens in a new tab)Accessed:
- xAI (opens in a new tab)Accessed:
- Best AI Models July 2026: GPT-5.6 & Claude 5 (opens in a new tab)Accessed:
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