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Claude Opus 4.8 (low) vs Step 3.7 Flash (low)

The average score is effectively tied at 7.2 vs 7.2. Step 3.7 Flash (low) has the lower benchmark cost at $0.449 vs $3.787. Claude Opus 4.8 (low) is faster at 17.13s vs 20.72s, with pass rates of 78.3% vs 63.8%.

Last updated at: 2026-10-12

Compared models

Rank
#153
Total Output Tokens
69,489
Response Time (avg)
17.13s
Total Cost
$3.787
Rank
#157
Total Output Tokens
339,108
Response Time (avg)
20.72s
Total Cost
$0.449
Recommended model Step 3.7 Flash (low)

It has the best score here (7.2), while costing about 8.4x less than Claude Opus 4.8 (low).

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 low Release: 2026-05-28 Step 3.7 Flash Step 3.7 Flash low Release: 2026-05-29
Score 7.2 7.2
Rank #153 #157
Reliability 10.0 10.0
Consistency 8.6 7.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 78.3% 63.8%
Flaky tests 4 6
Total Runs 69 69
Cost per result 23.669 4.078
Total Cost $3.787 $0.449
Input Price $5.000 / 1M $0.200 / 1M
Output Price $25.000 / 1M $1.150 / 1M
Cache Read Price $0.500 / 1M $0.040 / 1M
Cache Write Price $6.250 / 1M N/A
Total Input Tokens 409,947 292,685
Output Tokens 46,060 339,108
Reasoning Tokens 23,429 0
Response Time (avg) 17.13s 20.72s
Response Time (max) 127.97s 124.75s
Response Time (total) 394.01s 476.67s
Parameters ~5T total (~500B active) 198B total (11B active)
Availability Closed Open source

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.

#153 Claude Opus 4.8

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

#157 Step 3.7 Flash

low
Invalid SVG
Cost
$0.004
Time
25.3s
Tokens
3,072 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
Step 3.7 Flash 8.2 7.2 88.9% 1 9.46s 7,437 18,685 0

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