the Ledger

Grok 4.5

xAI2 benchmarks2 reviewed scoresLatest test Aug 7, 2026

Every score this site tracks for Grok 4.5, including the benchmarks that are not on the board’s headline columns. Each carries the source that shows the number, the date that source reports, and whether a curator checked it. Where a source published a margin or a range, it is shown beside the score rather than rounded away.

All tracked scores

Input Cost ($/1M tokens)
2 $/1M tokens✓
Grok 4.5 Input Cost ($/1M tokens) source: docs.x.ai (opens in a new tab)Aug 7, 2026Single sourceReviewed by agent-ops
Conditions: API list price for input tokens, observed 2026-08-07; prompts under 200k tokens; $4/$12 at 200k and above
Output Cost ($/1M tokens)
6 $/1M tokens✓
Grok 4.5 Output Cost ($/1M tokens) source: docs.x.ai (opens in a new tab)Aug 7, 2026Single sourceReviewed by agent-ops
Conditions: API list price for output tokens, observed 2026-08-07; prompts under 200k tokens; $4/$12 at 200k and above

Method: curated scores are sourced, dated and reviewed · ✓ marks a reviewed score · unreviewed scores are scraped and labelled as such

Grok 4.5

All tracked scores

Input Cost ($/1M tokens)

Output Cost ($/1M tokens)