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IBM: Granite 4.1 8B vs OpenAI: GPT-5.5

Summary

Granite 4.1 8B vs GPT-5.5 benchmark comparison: GPT-5.5 leads on average score with 9.3 vs 4.0. Granite 4.1 8B has the lower benchmark cost at $0.003 vs $0.907. Granite 4.1 8B is faster at 728ms vs 9.76s, with pass rates of 9.5% vs 85.7%.

Recommended model: Granite 4.1 8B - It offers the best overall trade-off: a competitive score (4.0), lower cost than GPT-5.5, and balanced response time.

Last updated at: 2026-06-12

Metric Granite 4.1 8B Granite 4.1 8B none Release: 2026-05-01 GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 4.0 9.3
Rank #163 #5
Reliability 10.0 10.0
Consistency 10.0 10.0
Tests Correct
Attempt pass rate 9.5% 85.7%
Flaky tests 0 0
Total Runs 63 63
Cost per result 0.131 5.035
Total Cost $0.003 $0.907
Input Price $0.050 / 1M $5.000 / 1M
Output Price $0.100 / 1M $30.000 / 1M
Total Input Tokens 46,285 34,209
Output Tokens 2,911 2,046
Reasoning Tokens 0 22,460
Response Time (avg) 728ms 9.76s
Response Time (max) 2.17s 56.19s
Response Time (total) 15.29s 204.92s

Generation showcase

Hamster playing table tennis

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

#163 IBM: Granite 4.1 8B

none
Cost
$0.001
Time
3.2s
Tokens
491 tok

#5 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Granite 4.1 8B 4.9 10.0 25.0% 0 844ms 645 903 0
GPT-5.5 10.0 10.0 100.0% 0 4.41s 606 238 1,020
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Granite 4.1 8B 4.5 10.0 0.0% 0 775ms 8,344 525 0
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Granite 4.1 8B 3.0 10.0 0.0% 0 1.88s 19,089 396 0
GPT-5.5 10.0 10.0 100.0% 0 9.56s 11,019 303 717
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Granite 4.1 8B 3.0 10.0 0.0% 0 575ms 7,617 195 0
GPT-5.5 10.0 10.0 100.0% 0 3.28s 7,140 228 157
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Granite 4.1 8B 3.0 10.0 0.0% 0 357ms 768 24 0
GPT-5.5 5.3 10.0 33.3% 0 28.05s 723 69 11,609
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Granite 4.1 8B 4.0 10.0 0.0% 0 499ms 528 115 0
GPT-5.5 10.0 10.0 100.0% 0 5.17s 477 133 245
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Granite 4.1 8B 3.6 9.9 0.0% 0 344ms 687 66 0
GPT-5.5 9.9 10.0 100.0% 0 3.74s 660 93 415
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Granite 4.1 8B 3.2 10.0 0.0% 0 608ms 672 432 0
GPT-5.5 10.0 10.0 100.0% 0 4.74s 642 279 954
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Granite 4.1 8B 10.0 10.0 100.0% 0 2.17s 7,719 243 0
GPT-5.5 10.0 10.0 100.0% 0 4.96s 5,445 250 101
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Granite 4.1 8B 3.0 10.0 0.0% 0 306ms 216 12 0
GPT-5.5 3.0 10.0 0.0% 0 10.06s 195 30 840

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