Qwen3.8 Flash Next vs Claude Haiku 5.5
Task by task
A score turns orange only when that model wins clearly more of the task's test cases. The time under each score is the average per test case, on the machine it ran on. Both models spend about the same on thinking per test case.
TaskAQwen3.8 Flash NextBClaude Haiku 5.5
Overall
421m 15s
7025.5s
Agents
522m 4s
6139.5s
Structured Extraction
5042.2s
9013.5s
Coding
521m 36s
8630.6s
Grounded Answers
5147.0s
7613.9s
Instruction Following
621m 30s
9431.5s
Business Logic
251m 0s
6726.0s
Security & permissions
451m 8s
6723.4s
Diagnosis & investigation
01m 15s
1725.5s
What you'd run
The build behind each score. Orange marks the faster, smaller, cheaper or longer-context side.
SpecAQwen3.8 Flash NextBClaude Haiku 5.5
Speed
68 tok/s
225 tok/s (better)
Machine
Hosted
Hosted
Memory at 32K
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Context
1M
1M
Cost per run
$0.46
$0.42 (better)
Cost per case
$0.003
$0.0028 (better)
Time per case
1m 15s
25.5s (better)
Quantization
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Harness
openrouter
openrouter
The race
Each model's running score as the test cases go by. The dashed line is a perfect run.
Every test case
Each square is one test case, colored by the model that scored higher.
Agents
Structured Extraction
Coding
Grounded Answers
Instruction Following
Business Logic
Security & permissions
Diagnosis & investigation