Muse Ember (xhigh) vs GPT-5.2 (medium)

Compared models

Rank: #73
Total Output Tokens: 409,112
Response Time (avg): 13.90s
Total Cost: $0.232

Rank: #80
Total Output Tokens: 80,538
Response Time (avg): 31.29s
Total Cost: $1.558

Recommended model Muse Ember (xhigh)

It has the best score here (8.8), while costing about 6.7x less than GPT-5.2 (medium).

Detailed comparison

Metric	Muse Ember Muse Ember xhigh Release: 2026-11-09	GPT-5.2 GPT-5.2 medium Release: 2025-12-11

Metric	Muse Ember Muse Ember xhigh Release: 2026-11-09	GPT-5.2 GPT-5.2 medium Release: 2025-12-11
Score	8.8	8.7
Rank	#73	#80
Reliability	10.0	10.0
Consistency	8.9	8.5
Attempts	69/69	69/69
Tests Correct
Attempt pass rate	76.8%	73.9%
Flaky tests	3	4
Total Runs	69	69
Cost per result	1.450	10.261
Total Cost	$0.232	$1.558
Input Price	$0.100 / 1M	$1.750 / 1M
Output Price	$0.500 / 1M	$14.000 / 1M
Cache Read Price	$0.004 / 1M	$0.175 / 1M
Cache Write Price	$0.125 / 1M	N/A
Total Input Tokens	274,208	235,207
Output Tokens	11,740	11,065
Reasoning Tokens	397,372	69,473
Response Time (avg)	13.90s	31.29s
Response Time (max)	79.38s	116.86s
Response Time (total)	319.61s	531.98s
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.

#73 Muse Ember

xhigh

Cost: $0.008
Time: 24.3s
Tokens: 14,705 tok

#80 GPT-5.2

medium

Cost: $0.047
Time: 49.2s
Tokens: 3,396 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

Category:

Agentic	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	10.0	10.0	100.0%	0		47.42s	151,581	2,661	2,824
GPT-5.2	10.0	10.0	100.0%	0		75.85s	130,194	1,151	8,135

Anti-AI Tricks	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	10.0	10.0	100.0%	0		2.05s	798	288	5,861
GPT-5.2	6.5	8.0	58.3%	1		7.81s	606	567	2,002

Coding	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	10.0	10.0	100.0%	0		10.41s	7,410	1,225	40,702
GPT-5.2	10.0	10.0	100.0%	0		22.73s	7,302	511	11,912

Combined	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	10.0	10.0	100.0%	0		13.24s	91,473	4,513	21,164
GPT-5.2	10.0	10.0	100.0%	0		58.50s	82,056	7,304	14,693

Data parsing and extraction	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	7.3	5.8	83.3%	1		3.59s	7,215	368	5,817
GPT-5.2	10.0	10.0	100.0%	0		3.15s	7,140	234	420

Domain specific	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	5.3	7.2	44.4%	1		23.77s	873	1,044	76,708
GPT-5.2	5.9	7.2	55.6%	1		97.33s	482	42	26,812

General Intelligence	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	10.0	10.0	100.0%	0		2.88s	522	214	2,610
GPT-5.2	3.7	9.7	0.0%	0		4.32s	477	162	269

Instructions following	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	6.5	10.0	50.0%	0		4.17s	759	241	7,345
GPT-5.2	9.9	10.0	100.0%	0		3.12s	660	94	614

Puzzle Solving	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	5.9	7.2	55.6%	1		29.02s	786	504	202,040
GPT-5.2	7.5	7.3	77.8%	1		5.80s	642	735	924

Tool Calling	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	10.0	10.0	100.0%	0		3.93s	12,563	448	1,643
GPT-5.2	4.7	1.6	66.7%	1		10.30s	5,453	239	469

Trivia	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Muse Ember	3.0	10.0	0.0%	0		25.61s	228	234	30,658
GPT-5.2	3.0	10.0	0.0%	0		28.18s	195	26	3,223

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