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Claude Fable 5.1 (medium) vs Gemini 3.5 Flash Lite (medium)

The average score is effectively tied at 7.3 vs 7.3. Gemini 3.5 Flash Lite (medium) has the lower benchmark cost at $0.440 vs $3.197. Gemini 3.5 Flash Lite (medium) is faster at 8.68s vs 11.87s, with pass rates of 78.3% vs 76.8%.

Last updated at: 2026-10-16

Compared models

Rank
#159
Total Output Tokens
32,506
Response Time (avg)
11.87s
Total Cost
$3.197
Rank
#164
Total Output Tokens
129,214
Response Time (avg)
8.68s
Total Cost
$0.440
Recommended model Gemini 3.5 Flash Lite (medium)

It has the best score here (7.3), while costing about 7.3x less than Claude Fable 5.1 (medium).

Detailed comparison

Metric Claude Fable 5.1 Claude Fable 5.1 medium Release: 2026-09-02 Gemini 3.5 Flash Lite Gemini 3.5 Flash Lite medium Release: 2026-07-21
Score 7.3 7.3
Rank #159 #164
Reliability 10.0 10.0
Consistency 7.9 7.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 78.3% 76.8%
Flaky tests 6 7
Total Runs 69 69
Cost per result 21.312 3.140
Total Cost $3.197 $0.440
Input Price $10.000 / 1M $0.300 / 1M
Output Price $50.000 / 1M $2.500 / 1M
Cache Read Price $0.250 / 1M $0.030 / 1M
Cache Write Price $12.500 / 1M $0.084 / 1M
Total Input Tokens 157,142 388,307
Output Tokens 8,149 10,412
Reasoning Tokens 24,357 118,802
Response Time (avg) 11.87s 8.68s
Response Time (max) 36.59s 86.92s
Response Time (total) 272.91s 199.65s
Parameters ~9.5T total (~878B active) ~150B total (~10B 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.

#159 Claude Fable 5.1

medium
Cost
$0.244
Time
65.9s
Tokens
5,025 tok

#164 Gemini 3.5 Flash Lite

medium
Cost
$0.010
Time
17.8s
Tokens
4,000 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 Fable 5.1 7.0 5.0 77.8% 2 10.99s 10,608 525 4,376
Gemini 3.5 Flash Lite 7.9 9.9 66.7% 0 9.96s 8,122 471 28,930

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