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

The average score is effectively tied at 9.3 vs 9.2. Gemini 4 Hydrogen (low) has the lower benchmark cost at $0.669 vs $6.107. Gemini 4 Hydrogen (low) is faster at 8.35s 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
#39
Total Output Tokens
47,526
Response Time (avg)
8.35s
Total Cost
$0.669
Recommended model Gemini 4 Hydrogen (low)

It has the best score here (9.2), while costing about 9.1x 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 low Release: 2026-11-12
Score 9.3 9.2
Rank #36 #39
Reliability 9.0 9.4
Consistency 9.3 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 97.1% 91.3%
Flaky tests 2 4
Total Runs 69 69
Cost per result 29.080 3.518
Total Cost $6.107 $0.669
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 484,505 207,874
Output Tokens 6,098 6,853
Reasoning Tokens 507,672 40,673
Response Time (avg) 120.04s 8.35s
Response Time (max) 443.11s 46.60s
Response Time (total) 2760.87s 192.05s
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

#39 Gemini 4 Hydrogen

low
Cost
$0.024
Time
21.6s
Tokens
3,246 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 7.8 7.4 77.8% 1 8.92s 8,448 508 7,803

Quick Compare

Switch Comparison Pair

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