Mercury 2 (medium) vs Grok 4.3 (medium)

Recommended model Mercury 2 (medium)

It has the best score here (7.0), while costing about 7.9x less than Grok 4.3 (medium).

Detailed comparison

Metric	Mercury 2 Mercury 2 medium Release: 2026-02-24	Grok 4.3 Grok 4.3 medium Release: 2026-05-01

Metric	Mercury 2 Mercury 2 medium Release: 2026-02-24	Grok 4.3 Grok 4.3 medium Release: 2026-05-01
Score	7.0	7.0
Rank	#125	#120
Reliability	10.0	10.0
Consistency	8.4	8.2
Attempts	66/66	66/66
Tests Correct
Attempt pass rate	53.0%	66.7%
Flaky tests	4	5
Total Runs	66	66
Cost per result	0.933	6.168
Total Cost	$0.094	$0.741
Input Price	$0.250 / 1M	$1.250 / 1M
Output Price	$0.750 / 1M	$2.500 / 1M
Total Input Tokens	110,515	140,244
Output Tokens	10,325	13,739
Reasoning Tokens	77,229	212,165
Response Time (avg)	2.95s	44.21s
Response Time (max)	14.63s	216.69s
Response Time (total)	61.89s	972.64s
Parameters	~100B	~1.5T total (~150B active)
Availability	Closed	Closed

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

medium

medium

Category:

Anti-AI Tricks	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Mercury 2	6.9	9.9	50.0%	0		1.12s	554	2,546	2,609
Grok 4.3	10.0	10.0	100.0%	0		8.83s	2,010	88	8,207

Coding	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Mercury 2	8.2	7.7	77.8%	1		2.04s	7,065	296	11,328
Grok 4.3	5.9	7.7	44.4%	1		41.23s	8,340	1,028	31,226

Combined	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Mercury 2	6.7	9.1	50.0%	0		7.84s	87,365	6,533	20,474
Grok 4.3	6.5	10.0	50.0%	0		55.07s	108,468	11,992	21,601

Data parsing and extraction	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Mercury 2	7.3	5.9	83.3%	1		1.11s	6,234	183	1,656
Grok 4.3	10.0	10.0	100.0%	0		18.97s	7,761	180	9,546

Domain specific	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Mercury 2	2.9	4.4	22.2%	2		8.06s	1,638	53	31,177
Grok 4.3	3.5	4.4	33.3%	2		158.01s	1,977	14	95,783

General Intelligence	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Mercury 2	4.8	10.0	0.0%	0		821ms	456	137	542
Grok 4.3	5.4	2.5	66.7%	1		24.70s	825	70	5,020

Instructions following	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Mercury 2	10.0	10.0	100.0%	0		1.07s	340	14	958
Grok 4.3	9.8	10.0	100.0%	0		18.58s	1,362	57	8,713

Puzzle Solving	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Mercury 2	5.4	10.0	33.3%	0		949ms	601	361	2,781
Grok 4.3	5.9	7.2	55.6%	1		22.52s	1,689	128	14,468

Tool Calling	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Mercury 2	10.0	10.0	100.0%	0		1.89s	6,080	180	1,956
Grok 4.3	10.0	10.0	100.0%	0		17.66s	7,263	168	4,615

Trivia	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Mercury 2	3.0	10.0	0.0%	0		2.58s	182	22	3,748
Grok 4.3	3.0	10.0	0.0%	0		44.47s	549	14	12,986

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