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Step 5 Preview (medium) vs GLM 5.3 FlashX (low)

Step 5 Preview (medium) leads on average score with 6.1 vs 6.0. GLM 5.3 FlashX (low) has the lower benchmark cost at $0.157 vs $4.136. GLM 5.3 FlashX (low) is faster at 9.69s vs 136.10s, with pass rates of 53.6% vs 63.8%.

Last updated at: 2026-10-09

Compared models

Rank
#250
Total Output Tokens
1,434,621
Response Time (avg)
136.10s
Total Cost
$4.136
Rank
#255
Total Output Tokens
43,203
Response Time (avg)
9.69s
Total Cost
$0.157
Recommended model GLM 5.3 FlashX (low)

Its score stays close to the best score here (6.0 vs 6.1), while costing about 26.4x less than Step 5 Preview (medium).

Detailed comparison

Metric Step 5 Preview Step 5 Preview medium Release: 2026-10-09 GLM 5.3 FlashX GLM 5.3 FlashX low Release: 2026-09-21
Score 6.1 6.0
Rank #250 #255
Reliability 9.6 10.0
Consistency 8.2 6.8
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 53.6% 63.8%
Flaky tests 5 9
Total Runs 69 69
Cost per result 41.354 1.423
Total Cost $4.136 $0.157
Input Price $1.000 / 1M $0.370 / 1M
Output Price $2.700 / 1M $1.250 / 1M
Cache Read Price $0.050 / 1M $0.090 / 1M
Cache Write Price N/A N/A
Total Input Tokens 261,842 277,028
Output Tokens 1,434,621 11,965
Reasoning Tokens 0 31,238
Response Time (avg) 136.10s 9.69s
Response Time (max) 438.09s 77.99s
Response Time (total) 3130.27s 222.83s
Parameters 600B total (27B active) 320B total (18B 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.

#250 Step 5 Preview

medium
Cost
$0.042
Time
90.3s
Tokens
15,574 tok

#255 GLM 5.3 FlashX

low
Cost
$0.002
Time
8.4s
Tokens
1,526 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
Step 5 Preview 2.8 7.2 11.1% 1 363.90s 7,428 546,725 0
GLM 5.3 FlashX 5.5 7.4 44.4% 1 5.45s 7,317 382 4,760

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