Navigate
AI BENCHY
AD
Track all your projects in one dashboard. Get 📊stats, 🔥heatmaps and 👀recordings in one self-hosted dashboard.
uxwizz.com

GPT-5.3-Codex (medium) vs Grok 4.6 (high)

Grok 4.6 (high) leads on average score with 9.2 vs 8.9. GPT-5.3-Codex (medium) has the lower benchmark cost at $0.920 vs $1.809. GPT-5.3-Codex (medium) is faster at 16.96s vs 79.38s, with pass rates of 83.3% vs 84.9%.

Last updated at: 2026-08-12

Rank
#20
Total Output Tokens
55,525
Response Time (avg)
16.96s
Total Cost
$0.920
Rank
#11
Total Output Tokens
265,604
Response Time (avg)
79.38s
Total Cost
$1.809
Recommended model GPT-5.3-Codex (medium)

Its score stays close to the best score here (8.9 vs 9.2), while costing about 2.0x less than Grok 4.6 (high).

Detailed comparison

Metric GPT-5.3-Codex GPT-5.3-Codex medium Release: 2026-02-05 Grok 4.6 Grok 4.6 high Release: 2026-08-12
Score 8.9 9.2
Rank #20 #11
Reliability 10.0 10.0
Consistency 8.6 9.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 83.3% 84.9%
Flaky tests 4 1
Total Runs 66 66
Cost per result 5.748 10.046
Total Cost $0.920 $1.809
Input Price $1.750 / 1M $2.000 / 1M
Output Price $14.000 / 1M $6.000 / 1M
Total Input Tokens 81,268 107,266
Output Tokens 6,251 5,094
Reasoning Tokens 49,274 260,510
Response Time (avg) 16.96s 79.38s
Response Time (max) 100.93s 618.49s
Response Time (total) 373.19s 1746.29s
Parameters ~1.2T total (~80B active) ~1.7T total (~170B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#20 GPT-5.3-Codex

medium
Cost
$0.049
Time
54.9s
Tokens
3,580 tok

#11 SpaceXAI: Grok 4.6

high
Cost
$0.107
Time
265.1s
Tokens
18,001 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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.3-Codex 10.0 10.0 100.0% 0 19.50s 7,302 535 10,890
Grok 4.6 10.0 10.0 100.0% 0 102.20s 9,579 379 51,829

Quick Compare

Switch Comparison Pair