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Gemini 4 Carbon (high) vs Gemini 4 Hydrogen (medium)

The average score is effectively tied at 9.3 vs 9.3. Gemini 4 Hydrogen (medium) has the lower benchmark cost at $1.330 vs $6.107. Gemini 4 Hydrogen (medium) is faster at 16.56s vs 120.04s, with pass rates of 97.1% vs 91.3%.

Last updated at: 2026-11-13

Compared models

Rank
#36
Total Output Tokens
513,770
Response Time (avg)
120.04s
Total Cost
$6.107
Rank
#35
Total Output Tokens
127,550
Response Time (avg)
16.56s
Total Cost
$1.330
Recommended model Gemini 4 Hydrogen (medium)

It has the best score here (9.3), while costing about 4.6x less than Gemini 4 Carbon (high).

Detailed comparison

Metric Gemini 4 Carbon Gemini 4 Carbon high Release: 2026-11-12 Gemini 4 Hydrogen Gemini 4 Hydrogen medium Release: 2026-11-12
Score 9.3 9.3
Rank #36 #35
Reliability 9.0 8.9
Consistency 9.3 8.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 97.1% 91.3%
Flaky tests 2 3
Total Runs 69 69
Cost per result 29.080 6.648
Total Cost $6.107 $1.330
Input Price $2.000 / 1M $1.500 / 1M
Output Price $10.000 / 1M $7.500 / 1M
Cache Read Price $0.100 / 1M $0.075 / 1M
Cache Write Price $0.188 / 1M $0.084 / 1M
Total Input Tokens 484,505 248,530
Output Tokens 6,098 6,957
Reasoning Tokens 507,672 120,593
Response Time (avg) 120.04s 16.56s
Response Time (max) 443.11s 70.41s
Response Time (total) 2760.87s 380.96s
Parameters ~1.2T total (~20B active) ~300B total (~15B 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.

#36 Gemini 4 Carbon

high
Reached the allocated time limit (600 seconds) without receiving showcase output.
Cost
$0.000
Time
600.0s
Tokens
0 tok

#35 Gemini 4 Hydrogen

medium
Cost
$0.059
Time
48.1s
Tokens
7,929 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 Carbon 10.0 10.0 100.0% 0 119.00s 8,448 495 79,534
Gemini 4 Hydrogen 10.0 10.0 100.0% 0 19.06s 8,448 489 21,603

Quick Compare

Switch Comparison Pair

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