Navigate
Advertise here

Claude Opus 5.5 (high) vs Gemini 3 Flash Preview (medium)

Gemini 3 Flash Preview (medium) leads on average score with 9.6 vs 9.4. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.876 vs $2.133. Gemini 3 Flash Preview (medium) is faster at 21.57s vs 27.55s, with pass rates of 87.0% vs 94.2%.

Last updated at: 2026-10-26

Compared models

Rank
#28
Total Output Tokens
42,782
Response Time (avg)
27.55s
Total Cost
$2.133
Rank
#15
Total Output Tokens
252,536
Response Time (avg)
21.57s
Total Cost
$0.876
Recommended model Gemini 3 Flash Preview (medium)

It has the best score here (9.6), while costing about 2.4x less than Claude Opus 5.5 (high).

Detailed comparison

Metric Claude Opus 5.5 Claude Opus 5.5 high Release: 2026-09-23 Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17
Score 9.4 9.6
Rank #28 #15
Reliability 10.0 10.0
Consistency 9.3 9.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 87.0% 94.2%
Flaky tests 2 1
Total Runs 69 69
Cost per result 11.222 4.169
Total Cost $2.133 $0.876
Input Price $4.000 / 1M $0.500 / 1M
Output Price $20.000 / 1M $3.000 / 1M
Cache Read Price $0.200 / 1M $0.050 / 1M
Cache Write Price $5.000 / 1M $0.084 / 1M
Total Input Tokens 319,095 235,726
Output Tokens 10,371 6,669
Reasoning Tokens 32,411 245,867
Response Time (avg) 27.55s 21.57s
Response Time (max) 95.95s 117.26s
Response Time (total) 633.73s 496.12s
Parameters ~5T total (~500B active) ~500B 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.

#28 Claude Opus 5.5

high
Cost
$0.136
Time
75.6s
Tokens
6,934 tok

#15 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
18.4s
Tokens
3,351 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 10.0 10.0 100.0% 0 13.44s 10,608 584 5,042
Gemini 3 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084

Switch Comparison Pair