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

The average score is effectively tied at 9.2 vs 9.2. Gemini 4 Carbon (medium) has the lower benchmark cost at $1.933 vs $8.734. Gemini 4 Carbon (medium) is faster at 38.78s vs 89.92s, with pass rates of 95.7% vs 89.9%.

Last updated at: 2026-11-13

Compared models

Rank
#43
Total Output Tokens
131,948
Response Time (avg)
38.78s
Total Cost
$1.933
Rank
#48
Total Output Tokens
1,039,092
Response Time (avg)
89.92s
Total Cost
$8.734
Recommended model Gemini 4 Carbon (medium)

It has the best score here (9.2), while costing about 4.5x less than Gemini 4 Hydrogen (xhigh).

Detailed comparison

Metric Gemini 4 Carbon Gemini 4 Carbon medium Release: 2026-11-12 Gemini 4 Hydrogen Gemini 4 Hydrogen xhigh Release: 2026-11-12
Score 9.2 9.2
Rank #43 #48
Reliability 8.6 9.0
Consistency 8.9 9.1
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 95.7% 89.9%
Flaky tests 3 3
Total Runs 69 69
Cost per result 9.662 45.967
Total Cost $1.933 $8.734
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 306,396 626,965
Output Tokens 5,746 9,003
Reasoning Tokens 126,202 1,030,089
Response Time (avg) 38.78s 89.92s
Response Time (max) 206.61s 379.79s
Response Time (total) 892.02s 2068.10s
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.

#43 Gemini 4 Carbon

medium
Cost
$0.203
Time
336.6s
Tokens
20,353 tok

#48 Gemini 4 Hydrogen

xhigh
Cost
$0.329
Time
259.1s
Tokens
43,952 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 29.67s 8,448 487 17,950
Gemini 4 Hydrogen 10.0 10.0 100.0% 0 86.90s 8,448 485 125,825

Quick Compare

Switch Comparison Pair

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