Compare AI models: Claude Opus 5.5 vs Step 5 Preview
- Claude Opus 5.5AnthropicHollow points use fallbacks · hover for details
- Step 5 PreviewStepFunHollow points use fallbacks · hover for details
ReasoningCodingCost efficiencyContext windowMultimodalTool use
| Model | Reasoning | Coding | Cost efficiency | Context window | Multimodal | Tool use |
|---|---|---|---|---|---|---|
| Claude Opus 5.5 | 100/100 | 75/100 | 8/100 | 81/100 | 50/100 | 50/100 — Tool calling supported; no comparable benchmark |
| Step 5 Preview | 50/100 — Reasoning supported; no comparable benchmark | 50/100 — No data; neutral placeholder | 38/100 | 81/100 | 50/100 | 50/100 — Tool calling supported; no comparable benchmark |
Overview
Author
Context length
1M
1M
Reasoning
True
True
Input modalities
Text, Image, Pdf
Text, Image, Video
Output modalities
Text
Text
Providers
Pricing
Input
$4.00/ 1M
$1.00/ 1M
Output
$20/ 1M
$2.70/ 1M
Cached input
$0.20/ 1M
$0.10/ 1M
MomentumLast 2 mo
Unique users
1
127K
Completed sessions
2
2,669,876
Token share
0%
0.52%
Tokens
20M+100%
7.2T+100%
SEP 15NOV 9
SEP 15NOV 9
RetentionWeek 1
Returning users
Pending
59.2%2.3K user-weeks
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