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Claude Opus 5.5 (medium) vs Gemini 4 Hydrogen (xhigh)

The average score is effectively tied at 9.2 vs 9.2. Claude Opus 5.5 (medium) has the lower benchmark cost at $1.804 vs $8.734. Claude Opus 5.5 (medium) is faster at 25.85s vs 89.92s, with pass rates of 89.9% vs 89.9%.

Last updated at: 2026-11-13

Compared models

Rank
#41
Total Output Tokens
32,127
Response Time (avg)
25.85s
Total Cost
$1.804
Rank
#48
Total Output Tokens
1,039,092
Response Time (avg)
89.92s
Total Cost
$8.734
Recommended model Claude Opus 5.5 (medium)

It has the best score here (9.2), while costing about 4.8x less than Gemini 4 Hydrogen (xhigh).

Detailed comparison

Metric Claude Opus 5.5 Claude Opus 5.5 medium Release: 2026-09-23 Gemini 4 Hydrogen Gemini 4 Hydrogen xhigh Release: 2026-11-12
Score 9.2 9.2
Rank #41 #48
Reliability 10.0 9.0
Consistency 9.7 9.1
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 89.9% 89.9%
Flaky tests 1 3
Total Runs 69 69
Cost per result 9.016 45.967
Total Cost $1.804 $8.734
Input Price $4.000 / 1M $1.500 / 1M
Output Price $20.000 / 1M $7.500 / 1M
Cache Read Price $0.200 / 1M $0.075 / 1M
Cache Write Price $5.000 / 1M $0.084 / 1M
Total Input Tokens 290,117 626,965
Output Tokens 9,805 9,003
Reasoning Tokens 22,322 1,030,089
Response Time (avg) 25.85s 89.92s
Response Time (max) 90.20s 379.79s
Response Time (total) 594.63s 2068.10s
Parameters ~5T total (~500B 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.

#41 Claude Opus 5.5

medium
Cost
$0.053
Time
25.6s
Tokens
2,781 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
Claude Opus 5.5 8.4 7.4 88.9% 1 13.50s 10,608 636 4,341
Gemini 4 Hydrogen 10.0 10.0 100.0% 0 86.90s 8,448 485 125,825

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