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Gemini 2.5 Flash (medium) vs Grok 4.6 (medium)

Grok 4.6 (medium) leads on average score with 8.3 vs 8.2. Gemini 2.5 Flash (medium) has the lower benchmark cost at $0.643 vs $1.656. Gemini 2.5 Flash (medium) is faster at 21.18s vs 71.86s, with pass rates of 71.2% vs 80.3%.

Last updated at: 2026-08-12

Rank
#43
Total Output Tokens
241,203
Response Time (avg)
21.18s
Total Cost
$0.643
Rank
#40
Total Output Tokens
240,338
Response Time (avg)
71.86s
Total Cost
$1.656
Recommended model Gemini 2.5 Flash (medium)

Its score stays close to the best score here (8.2 vs 8.3), while costing about 2.6x less than Grok 4.6 (medium).

Detailed comparison

Metric Gemini 2.5 Flash Gemini 2.5 Flash medium Release: 2025-06-17 Grok 4.6 Grok 4.6 medium Release: 2026-08-12
Score 8.2 8.3
Rank #43 #40
Reliability 10.0 10.0
Consistency 9.6 8.2
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 71.2% 80.3%
Flaky tests 1 5
Total Runs 66 66
Cost per result 4.286 11.038
Total Cost $0.643 $1.656
Input Price $0.300 / 1M $2.000 / 1M
Output Price $2.500 / 1M $6.000 / 1M
Total Input Tokens 132,498 106,778
Output Tokens 12,739 4,811
Reasoning Tokens 228,464 235,527
Response Time (avg) 21.18s 71.86s
Response Time (max) 140.50s 514.35s
Response Time (total) 465.89s 1580.96s
Parameters ~350B total (~20B active) ~1.7T total (~170B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#43 Gemini 2.5 Flash

medium
Invalid SVG
Cost
$0.000
Time
274.0s
Tokens
0 tok

#40 SpaceXAI: Grok 4.6

medium
Cost
$0.028
Time
72.1s
Tokens
4,771 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
Gemini 2.5 Flash 7.8 10.0 66.7% 0 41.01s 6,669 543 32,303
Grok 4.6 8.2 7.2 88.9% 1 120.05s 9,579 351 64,226

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