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Gemini 3.5 Flash Lite (high) vs GPT-5.3-Codex (medium)

GPT-5.3-Codex (medium) leads on average score with 9.1 vs 9.0. Gemini 3.5 Flash Lite (high) has the lower benchmark cost at $0.624 vs $1.318. Gemini 3.5 Flash Lite (high) is faster at 11.92s vs 18.87s, with pass rates of 84.1% vs 84.1%.

Last updated at: 2026-10-07

Compared models

Rank
#42
Total Output Tokens
219,926
Response Time (avg)
11.92s
Total Cost
$0.624
Rank
#34
Total Output Tokens
66,287
Response Time (avg)
18.87s
Total Cost
$1.318
Recommended model Gemini 3.5 Flash Lite (high)

Its score stays close to the best score here (9.0 vs 9.1), while costing about 2.1x less than GPT-5.3-Codex (medium).

Detailed comparison

Metric Gemini 3.5 Flash Lite Gemini 3.5 Flash Lite high Release: 2026-07-21 GPT-5.3-Codex GPT-5.3-Codex medium Release: 2026-02-05
Score 9.0 9.1
Rank #42 #34
Reliability 10.0 10.0
Consistency 9.3 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 84.1% 84.1%
Flaky tests 2 4
Total Runs 69 69
Cost per result 3.463 7.753
Total Cost $0.624 $1.318
Input Price $0.300 / 1M $1.750 / 1M
Output Price $2.500 / 1M $14.000 / 1M
Cache Read Price $0.030 / 1M $0.175 / 1M
Cache Write Price $0.084 / 1M N/A
Total Input Tokens 244,529 222,794
Output Tokens 6,784 7,357
Reasoning Tokens 213,142 58,930
Response Time (avg) 11.92s 18.87s
Response Time (max) 53.09s 100.93s
Response Time (total) 274.14s 433.94s
Parameters ~150B total (~10B active) ~1.2T total (~80B 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.

#42 Gemini 3.5 Flash Lite

high
Cost
$0.025
Time
36.8s
Tokens
9,964 tok

#34 GPT-5.3-Codex

medium
Cost
$0.049
Time
54.9s
Tokens
3,580 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
Gemini 3.5 Flash Lite 8.4 7.4 88.9% 1 16.58s 8,130 434 57,369
GPT-5.3-Codex 10.0 10.0 100.0% 0 19.50s 7,302 535 10,890

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