Navigate
Advertise here

GPT-5.6 Luna (high) vs Qwen3.8 Flash Next (low)

The average score is effectively tied at 8.0 vs 8.0. Qwen3.8 Flash Next (low) has the lower benchmark cost at ~$0.045 vs $0.118. GPT-5.6 Luna (high) is faster at 18.39s vs 23.66s, with pass rates of 71.0% vs 79.7%.

Last updated at: 2026-10-05

Compared models

Rank
#92
Total Output Tokens
139,395
Response Time (avg)
18.39s
Total Cost
$0.118
Rank
#96
Total Output Tokens
135,295
Response Time (avg)
23.66s
Total Cost
~$0.045
Recommended model Qwen3.8 Flash Next (low)

It has the best score here (8.0), while costing about 2.6x less than GPT-5.6 Luna (high).

Detailed comparison

Metric GPT-5.6 Luna GPT-5.6 Luna high Release: 2026-07-09 Qwen3.8 Flash Next Qwen3.8 Flash Next low Release: 2026-10-04
Score 8.0 8.0
Rank #92 #96
Reliability 10.0 10.0
Consistency 8.6 8.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 71.0% 79.7%
Flaky tests 4 6
Total Runs 69 69
Cost per result 5.882 ~0.299
Total Cost $0.118 ~$0.045
Input Price $0.200 / 1M N/A
Output Price $1.200 / 1M N/A
Cache Read Price $0.020 / 1M N/A
Cache Write Price $0.250 / 1M N/A
Total Input Tokens 197,896 342,163
Output Tokens 6,211 1,518
Reasoning Tokens 133,184 133,777
Response Time (avg) 18.39s 23.66s
Response Time (max) 111.09s 166.72s
Response Time (total) 422.93s 544.16s
Parameters ~400B total (~17B active) 180B total (6B active)
Availability Closed Weights available

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.

#92 GPT-5.6 Luna

high
Cost
$0.033
Time
34.2s
Tokens
5,484 tok

#96 Qwen3.8 Flash Next

low
Cost
~$0.002
Time
47.2s
Tokens
5,270 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
GPT-5.6 Luna 5.5 4.7 55.6% 2 15.63s 7,302 510 17,746
Qwen3.8 Flash Next 10.0 10.0 100.0% 0 29.46s 8,127 397 24,147

Quick Compare

Switch Comparison Pair

Nemotron 3 UltramediumFree AvailablevsGPT-5.6 LunahighGemini 3.8 FlashmediumvsQwen3.8 Flash NextlowGPT-5.4 NanomediumvsQwen3.8 Flash NextlowDeepSeek V4.1 FlashlowvsGPT-5.6 LunahighQwen3.8 Flash NextlowvsGLM 5.3 FlashXmaxGemini 3.8 FlashmediumvsGPT-5.6 LunahighClaude Fable 5.1highvsQwen3.8 Flash NextlowNemotron 3 UltramediumFree AvailablevsQwen3.8 Flash NextlowGPT-5.4 MinimediumvsQwen3.8 Flash NextlowClaude Opus 4.7mediumvsGPT-5.6 LunahighGPT-5.6 LunahighvsQwen3.5-27BmediumGPT-5.6 LunahighvsGLM 5.3 FlashXmax