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Muse Spark Open (high) vs GPT-6.1 Terra (xhigh)

GPT-6.1 Terra (xhigh) leads on average score with 9.3 vs 9.2. GPT-6.1 Terra (xhigh) has the lower benchmark cost at $0.789 vs $1.782. GPT-6.1 Terra (xhigh) is faster at 23.65s vs 151.96s, with pass rates of 76.8% vs 88.4%.

Last updated at: 2026-10-26

Compared models

Rank
#35
Total Output Tokens
339,545
Response Time (avg)
151.96s
Total Cost
$1.782
Rank
#32
Total Output Tokens
121,002
Response Time (avg)
23.65s
Total Cost
$0.789
Recommended model GPT-6.1 Terra (xhigh)

It has the best score here (9.3), while costing about 2.3x less than Muse Spark Open (high).

Detailed comparison

Metric Muse Spark Open Muse Spark Open high Release: 2026-10-15 GPT-6.1 Terra GPT-6.1 Terra xhigh Release: 2026-10-26
Score 9.2 9.3
Rank #35 #32
Reliability 9.4 10.0
Consistency 9.6 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 76.8% 88.4%
Flaky tests 1 4
Total Runs 69 69
Cost per result 10.481 4.379
Total Cost $1.782 $0.789
Input Price $1.250 / 1M $1.000 / 1M
Output Price $4.250 / 1M $5.000 / 1M
Cache Read Price $0.150 / 1M $0.050 / 1M
Cache Write Price N/A $1.250 / 1M
Total Input Tokens 270,889 183,057
Output Tokens 10,688 5,490
Reasoning Tokens 328,857 115,512
Response Time (avg) 151.96s 23.65s
Response Time (max) 960.01s 236.28s
Response Time (total) 3495.01s 543.86s
Parameters 816B total (42B active) ~1T total (~60B active)
Availability Weights available 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.

#35 Muse Spark Open

high
Cost
$0.045
Time
239.2s
Tokens
10,710 tok

#32 GPT-6.1 Terra

xhigh
Cost
$0.050
Time
109.1s
Tokens
9,926 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
Muse Spark Open 10.0 10.0 100.0% 0 33.49s 8,478 1,743 33,344
GPT-6.1 Terra 10.0 10.0 100.0% 0 15.91s 7,302 387 11,030

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