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Claude Opus 5.5 (medium) vs Gemini 4 Carbon (medium)

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 $1.933. Claude Opus 5.5 (medium) is faster at 25.85s vs 38.78s, with pass rates of 89.9% vs 95.7%.

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
#43
Total Output Tokens
131,948
Response Time (avg)
38.78s
Total Cost
$1.933
Recommended model Claude Opus 5.5 (medium)

It has the best score here (9.2), while responding about 1.5x faster than Gemini 4 Carbon (medium).

Detailed comparison

Metric Claude Opus 5.5 Claude Opus 5.5 medium Release: 2026-09-23 Gemini 4 Carbon Gemini 4 Carbon medium Release: 2026-11-12
Score 9.2 9.2
Rank #41 #43
Reliability 10.0 8.6
Consistency 9.7 8.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 89.9% 95.7%
Flaky tests 1 3
Total Runs 69 69
Cost per result 9.016 9.662
Total Cost $1.804 $1.933
Input Price $4.000 / 1M $2.000 / 1M
Output Price $20.000 / 1M $10.000 / 1M
Cache Read Price $0.200 / 1M $0.100 / 1M
Cache Write Price $5.000 / 1M $0.188 / 1M
Total Input Tokens 290,117 306,396
Output Tokens 9,805 5,746
Reasoning Tokens 22,322 126,202
Response Time (avg) 25.85s 38.78s
Response Time (max) 90.20s 206.61s
Response Time (total) 594.63s 892.02s
Parameters ~5T total (~500B active) ~1.2T total (~20B 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

#43 Gemini 4 Carbon

medium
Cost
$0.203
Time
336.6s
Tokens
20,353 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 Carbon 10.0 10.0 100.0% 0 29.67s 8,448 487 17,950

Quick Compare

Switch Comparison Pair

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