Navigate
AD
Track all your projects in one dashboard. Get 📊stats, 🔥heatmaps and 👀recordings in one self-hosted dashboard.
uxwizz.com

Claude Haiku 5.5 (low) vs GPT-5.6 Luna (high)

Claude Haiku 5.5 (low) leads on average score with 8.6 vs 8.0. Claude Haiku 5.5 (low) has the lower benchmark cost at $0.061 vs $0.118. Claude Haiku 5.5 (low) is faster at 7.51s vs 18.39s, with pass rates of 76.8% vs 71.0%.

Last updated at: 2026-10-07

Compared models

Rank
#64
Total Output Tokens
61,650
Response Time (avg)
7.51s
Total Cost
$0.061
Rank
#96
Total Output Tokens
139,395
Response Time (avg)
18.39s
Total Cost
$0.118
Recommended model Claude Haiku 5.5 (low)

It has the best score here (8.6), while costing about 1.9x less than GPT-5.6 Luna (high).

Detailed comparison

Metric Claude Haiku 5.5 Claude Haiku 5.5 low Release: 2026-10-07 GPT-5.6 Luna GPT-5.6 Luna high Release: 2026-07-09
Score 8.6 8.0
Rank #64 #96
Reliability 10.0 10.0
Consistency 8.9 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 76.8% 71.0%
Flaky tests 3 4
Total Runs 69 69
Cost per result 0.378 5.882
Total Cost $0.061 $0.118
Input Price $0.100 / 1M $0.200 / 1M
Output Price $0.500 / 1M $1.200 / 1M
Cache Read Price $0.010 / 1M $0.020 / 1M
Cache Write Price $0.125 / 1M $0.250 / 1M
Total Input Tokens 296,301 197,896
Output Tokens 10,672 6,211
Reasoning Tokens 50,978 133,184
Response Time (avg) 7.51s 18.39s
Response Time (max) 44.43s 111.09s
Response Time (total) 172.74s 422.93s
Parameters ~50B ~400B total (~17B 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.

#64 Claude Haiku 5.5

low
Cost
$0.001
Time
7.4s
Tokens
1,851 tok

#96 GPT-5.6 Luna

high
Cost
$0.033
Time
34.2s
Tokens
5,484 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
Claude Haiku 5.5 7.9 7.5 77.8% 1 7.30s 10,608 531 11,618
GPT-5.6 Luna 5.5 4.7 55.6% 2 15.63s 7,302 510 17,746

Switch Comparison Pair