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

The average score is effectively tied at 9.2 vs 9.2. Gemini 4 Hydrogen (low) has the lower benchmark cost at $0.669 vs $1.804. Gemini 4 Hydrogen (low) is faster at 8.35s vs 25.85s, with pass rates of 89.9% vs 91.3%.

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
#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 2.7x less than Claude Opus 5.5 (medium).

Detailed comparison

Metric Claude Opus 5.5 Claude Opus 5.5 medium Release: 2026-09-23 Gemini 4 Hydrogen Gemini 4 Hydrogen low Release: 2026-11-12
Score 9.2 9.2
Rank #41 #39
Reliability 10.0 9.4
Consistency 9.7 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 89.9% 91.3%
Flaky tests 1 4
Total Runs 69 69
Cost per result 9.016 3.518
Total Cost $1.804 $0.669
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 290,117 207,874
Output Tokens 9,805 6,853
Reasoning Tokens 22,322 40,673
Response Time (avg) 25.85s 8.35s
Response Time (max) 90.20s 46.60s
Response Time (total) 594.63s 192.05s
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

#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
Claude Opus 5.5 8.4 7.4 88.9% 1 13.50s 10,608 636 4,341
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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