Navigate
AI BENCHY
Advertise here

AI BENCHY Compare

OpenAI: GPT-5.6 Sol vs xAI: Grok 4.5

Summary

GPT-5.6 Sol (medium) vs Grok 4.5 (low) benchmark comparison: GPT-5.6 Sol (medium) leads on average score with 9.4 vs 7.8. Grok 4.5 (low) has the lower benchmark cost at $0.760 vs $0.966. GPT-5.6 Sol (medium) is faster at 10.79s vs 15.48s, with pass rates of 90.5% vs 74.6%.

Recommended model: GPT-5.6 Sol (medium) - It has the strongest score in this comparison (9.4) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-07-09

Metric GPT-5.6 Sol GPT-5.6 Sol medium Release: 2026-07-09 Grok 4.5 Grok 4.5 low Release: 2026-07-08
Score 9.4 7.8
Rank #5 #39
Reliability 10.0 10.0
Consistency 8.8 9.7
Tests Correct
Attempt pass rate 90.5% 74.6%
Flaky tests 3 1
Total Runs 63 63
Cost per result 5.682 5.061
Total Cost $0.966 $0.760
Input Price $5.000 / 1M $2.000 / 1M
Output Price $30.000 / 1M $6.000 / 1M
Total Input Tokens 34,218 58,652
Output Tokens 1,895 1,735
Reasoning Tokens 24,600 105,233
Response Time (avg) 10.79s 15.48s
Response Time (max) 79.40s 205.28s
Response Time (total) 226.57s 324.98s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#5 GPT-5.6 Sol

medium
Cost
$0.124
Time
57.2s
Tokens
4,199 tok

#39 xAI: Grok 4.5

low
Cost
$0.011
Time
12.4s
Tokens
2,018 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.6 Sol 10.0 10.0 100.0% 0 2.81s 606 173 572
Grok 4.5 10.0 10.0 100.0% 0 2.75s 2,991 261 3,000
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.6 Sol 10.0 10.0 100.0% 0 9.40s 7,302 394 4,706
Grok 4.5 10.0 10.0 100.0% 0 13.72s 9,579 303 15,641
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.6 Sol 10.0 10.0 100.0% 0 12.13s 11,019 318 1,214
Grok 4.5 3.0 10.0 0.0% 0 8.16s 15,084 261 2,370
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.6 Sol 10.0 10.0 100.0% 0 1.38s 7,140 222 0
Grok 4.5 10.0 10.0 100.0% 0 3.44s 8,937 225 2,549
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.6 Sol 5.9 7.2 55.6% 1 47.86s 723 71 16,201
Grok 4.5 3.0 10.0 0.0% 0 72.64s 2,514 14 70,275
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.6 Sol 10.0 10.0 100.0% 0 3.48s 477 99 214
Grok 4.5 6.1 3.1 66.7% 1 4.88s 1,077 98 1,253
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.6 Sol 10.0 10.0 100.0% 0 2.50s 660 96 249
Grok 4.5 9.8 10.0 100.0% 0 2.80s 1,857 57 1,878
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.6 Sol 8.2 7.2 88.9% 1 2.98s 642 228 566
Grok 4.5 10.0 10.0 100.0% 0 3.20s 2,430 217 2,590
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.6 Sol 10.0 10.0 100.0% 0 6.30s 5,454 264 361
Grok 4.5 10.0 10.0 100.0% 0 5.83s 13,394 284 871
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.6 Sol 4.7 1.6 66.7% 1 4.94s 195 30 517
Grok 4.5 3.0 10.0 0.0% 0 13.98s 789 15 4,806

Quick Compare

Switch Comparison Pair