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Gemini 4 Hydrogen (high) vs GPT-5.3-Codex (medium)

The average score is effectively tied at 9.1 vs 9.1. GPT-5.3-Codex (medium) has the lower benchmark cost at $1.318 vs $2.019. GPT-5.3-Codex (medium) is faster at 18.87s vs 23.79s, with pass rates of 94.2% vs 84.1%.

Last updated at: 2026-11-13

Compared models

Rank
#54
Total Output Tokens
212,638
Response Time (avg)
23.79s
Total Cost
$2.019
Rank
#50
Total Output Tokens
66,287
Response Time (avg)
18.87s
Total Cost
$1.318
Recommended model GPT-5.3-Codex (medium)

It has the best score here (9.1), while costing about 1.5x less than Gemini 4 Hydrogen (high).

Detailed comparison

Metric Gemini 4 Hydrogen Gemini 4 Hydrogen high Release: 2026-11-12 GPT-5.3-Codex GPT-5.3-Codex medium Release: 2026-02-05
Score 9.1 9.1
Rank #54 #50
Reliability 9.1 10.0
Consistency 8.5 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 94.2% 84.1%
Flaky tests 4 4
Total Runs 69 69
Cost per result 10.624 7.753
Total Cost $2.019 $1.318
Input Price $1.500 / 1M $1.750 / 1M
Output Price $7.500 / 1M $14.000 / 1M
Cache Read Price $0.075 / 1M $0.175 / 1M
Cache Write Price $0.084 / 1M N/A
Total Input Tokens 282,413 222,794
Output Tokens 6,186 7,357
Reasoning Tokens 206,452 58,930
Response Time (avg) 23.79s 18.87s
Response Time (max) 98.19s 100.93s
Response Time (total) 547.07s 433.94s
Parameters ~300B total (~15B active) ~1.2T total (~80B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#54 Gemini 4 Hydrogen

high
Cost
$0.101
Time
85.4s
Tokens
13,562 tok

#50 GPT-5.3-Codex

medium
Cost
$0.049
Time
54.9s
Tokens
3,580 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
Gemini 4 Hydrogen 10.0 10.0 100.0% 0 19.18s 8,448 492 22,526
GPT-5.3-Codex 10.0 10.0 100.0% 0 19.50s 7,302 535 10,890

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