CompareAI models
- Claude Fable 5Anthropic
- Step 3.5 Flash 2603StepFun
ReasoningCodingCost efficiencyContext windowMultimodalTool use
| Model | Reasoning | Coding | Cost efficiency | Context window | Multimodal | Tool use |
|---|---|---|---|---|---|---|
| Claude Fable 5 | 100/100 | 100/100 | 5/100 | 82/100 | 60/100 | 92/100 |
| Step 3.5 Flash 2603 | 100/100 | 92/100 | 85/100 | 50/100 | 0/100 | 90/100 |
Overview
Author
Context length
1M
256K
Reasoning
True
True
Input modalities
Text, Image, Pdf
Text
Output modalities
Text
Text
Providers
Pricing
Input
$10/ 1M
$0.10/ 1M
Output
$50/ 1M
$0.30/ 1M
Cached input
$1.00/ 1M
$0.02/ 1M
MomentumLast 2 mo
Unique users
No usage
No usage
Completed sessions
No usage
No usage
Token share
No usage
No usage
Tokens
No usage
No usage
No trend data
No trend data
Related comparisons. Other model pairs to check.
Nearby alternativeClaude Fable 5 vs Qwen3.7 PlusClaude Fable 5·Qwen3.7 PlusNearby alternativeStep 3.5 Flash 2603 vs Qwen3.7 PlusStep 3.5 Flash 2603·Qwen3.7 PlusRelated comparisonClaude Fable 5 vs Qwen3.7 MaxClaude Fable 5·Qwen3.7 MaxRelated comparisonStep 3.5 Flash 2603 vs Qwen3.7 MaxStep 3.5 Flash 2603·Qwen3.7 Max