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Claude Opus 4.8 (low) vs Gemini 3.8 Flash (low)

The average score is effectively tied at 7.2 vs 7.2. Gemini 3.8 Flash (low) has the lower benchmark cost at $0.323 vs $3.787. Gemini 3.8 Flash (low) is faster at 7.54s vs 17.13s, with pass rates of 78.3% vs 81.2%.

Last updated at: 2026-10-17

Compared models

Rank
#169
Total Output Tokens
69,489
Response Time (avg)
17.13s
Total Cost
$3.787
Rank
#168
Total Output Tokens
42,741
Response Time (avg)
7.54s
Total Cost
$0.323
Recommended model Gemini 3.8 Flash (low)

It has the best score here (7.2), while costing about 11.8x less than Claude Opus 4.8 (low).

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 low Release: 2026-05-28 Gemini 3.8 Flash Gemini 3.8 Flash low Release: 2026-09-02
Score 7.2 7.2
Rank #169 #168
Reliability 10.0 9.9
Consistency 8.6 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 78.3% 81.2%
Flaky tests 4 5
Total Runs 69 69
Cost per result 23.669 2.014
Total Cost $3.787 $0.323
Input Price $5.000 / 1M $0.750 / 1M
Output Price $25.000 / 1M $3.750 / 1M
Cache Read Price $0.500 / 1M $0.075 / 1M
Cache Write Price $6.250 / 1M $0.042 / 1M
Total Input Tokens 409,947 215,836
Output Tokens 46,060 9,452
Reasoning Tokens 23,429 33,289
Response Time (avg) 17.13s 7.54s
Response Time (max) 127.97s 67.18s
Response Time (total) 394.01s 173.36s
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.

#169 Claude Opus 4.8

low
Cost
$0.031
Time
14.1s
Tokens
1,345 tok

#168 Gemini 3.8 Flash

low
Cost
$0.030
Time
45.8s
Tokens
8,023 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 4.8 6.6 4.6 77.8% 2 7.58s 10,590 3,637 809
Gemini 3.8 Flash 5.4 7.2 44.4% 1 4.31s 8,118 449 5,706

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