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xAI · released 2026-07-16

Grok 4.5

Measured on 156 benchmarks.

26.7

#39 of 98 models · best at high

includes estimates: 35% of the mix is measured for this model

Strengths

  • Grok 4.5
  • Gemini 4 Carbon (#1)
  • Field median
bestField medianFrontierCode 2.0-…Terminal-Bench v4…AA-Briefcase v1.1AutomationBench-AATerminal-Bench-Sc…HLE-DiamondCritPt v2 Hard Su…AA-Omniscience v1…AA-Omniscience v1…GDP.pdf
  1. FrontierCode 2.0-AA15%17.8% est.#38 of 98
  2. Terminal-Bench v4-AA10%10.6%#48 of 98
  3. AA-Briefcase v1.115%1278#46 of 98
  4. AutomationBench-AA5%57.9%#29 of 98
  5. Terminal-Bench-Science-AA15%5.7% est.#37 of 98
  6. HLE-Diamond10%23.1% est.#32 of 98
  7. CritPt v2 Hard Subset10%35.9% est.#27 of 98
  8. AA-Omniscience v1.1 Accuracy10%39.4% est.#33 of 98
  9. AA-Omniscience v1.1 Non-hallucination5%51.6% est.#50 of 98
  10. GDP.pdf5%18.8%#34 of 98

Bars show where Grok 4.5 sits among the 98 ranked models on each benchmark (right is best); the tick is the field median.

Cost and speed

against 98 ranked models

Output speed

#59 fastest of 79

71 tok/sat high

Time to first token

#52 quickest of 79

12sat high

Token price

$0.371 per 1M tokens at API prices$0.058 on SuperGrok

97.0% cache read · 2.50% fresh input · 0.00% cache write · 0.50% output

Assumed mix: no measured T3 Code usage for this model.

Not measured for Grok 4.5: cost per task, time per task, output tokens per task (no published API price yet).

This ranking’s benchmarks

4 of 10 measured

agentic

AutomationBench-AA

245 results
  1. #55high of 24557.9%

Leader: Gemini 4 Carbon · 77.8%

agentic

AA-Briefcase v1.1

250 results
  1. #88high of 2501278

Leader: Sonnet 5.5 · 1813

economics

GDP.pdf

243 results
  1. #83high of 24318.8%

Leader: Muse Wonder Full · 32.6%

coding

Terminal-Bench v4-AA

241 results
  1. #105high of 24110.6%

Leader: Kimi K3.1 · 67.2%

All 156 benchmarks

show 152 more