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Grok 4.5

xai/grok-4.5
  • xAI
  • Family · Grok 4
  • Released 8 Jul 2026
  • Text · Image · File → Text
  • Reasoning · adjustable
  • Tools · JSON · Vision
Not on OSMEXO yet
Spec & list price
Context488K
Max output450K
Input / 1M$2.00
Output / 1M$6.003× input
Scores · standing
Intelligence38.8#41/489
Coding72.4#18/196
Usage
Tokens / day6.3B▲ 51% 7d
Usage rank#106
Requests / day248.3K
Tool calls / req0.38
Per request · 30 days
Avg input19.6K1.3× median
Avg output7751.1× median
Cache hit73%about median
Reasoning share60%about median
Tool-call failures0.2%0.1× median

Consumption

5.0B10.0B15.0B3 Oct17 Oct1 Nov
Peak 13.4B 29 OctLow 2.9B 11 OctRank today #106

News & trends

3 mentions this week ▼ 40%this model · videos, posts, articles · 30 days
Trending · 14 days · Grok 4 family

Benchmarks

bar = share of the top score · Benchmark data: Artificial Analysis
GPQA Diamond#13 of 445
93.1%
Long-context reasoning#61 of 393
79.3%
Terminal-Bench 2.1#20 of 182
81.6%
Coding index#18 of 196
72.4
SciCode#32 of 160
55.0%
τ-Bench Banking#15 of 154
42.1%
Humanity's Last Exam#38 of 465
42.7%
Intelligence index#41 of 489
38.8
Speed · median across 2 providers, latest day
Output speed#206/33454 tok/s1.2× slower than median
Fastest provider61 tok/sbest of 2 providers
First token#2131.41 s1.4× longer than median

#12 cheapest of 18 with a similar score

Value
Intelligence Index
20304050$1$2$5Grok 4.5
Blended price per 1M tokens (log)
Family progress
Intelligence Index
20304050SepNov2026MarMayJulSepGrok 4.5
  • Family releases46.4

Technical details

Reasoning
on · high
Tokenizer
Grok
Moderation
none
Reasoning effort
  • high · default
  • medium
  • low
Request parameters 13
  • tools
  • tool_choice
  • response_format
  • structured_outputs
  • reasoning
  • reasoning_effort
  • include_reasoning
  • temperature
  • top_p
  • max_tokens
+3 more
  • seed
  • logprobs
  • top_logprobs

Interesting facts

  1. 4.7× the output room of similar models (450.0K against a 96.8K median).
  2. Weekdays average 8.8B tokens a day against 4.6B on weekends.

When to use

Best for

  • Coding agents and code review
  • Research and reasoning-heavy questions
  • Image and file understanding
  • Banking-style tool workflows

Think twice for

  • Self-hosting (closed weights)
  • Long autonomous agent runs
  • Low-cost high-volume chat

Research papers

Same family

Grok 4

Alternatives

other vendors · similar capability

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