Anthropic
Claude Opus 4.6 (legacy)
model
claude-opus-4-6PremiumStableVisionStreamingVisionToolsBatchLong contextUnited States
Context
1.0M
Input / 1M tokens
$5.00
Output / 1M tokens
$25.00
Cached input / 1M tokens
$1.18
Cache write / 1M tokens
$6.25
About this model
Claude Opus 4.6 (legacy)
Claude Opus 4.6 — previous-generation Anthropic flagship. Bills identically to current Opus. Use this slug when you need version pinning rather than auto-tracking new generations.
Key facts
- Maker
- Anthropic
- Context window
- 1.0M tokens
- Max output
- 128K tokens
- Lane
- Guarded: the provider has confirmed it does not train on your data
- Modality
- Text and image input
- Input price
- $5.00 per 1M tokens
- Output price
- $25.00 per 1M tokens
- Processing region(s)
- us
- Route
- Via Anthropic's API
- Cheapest plan
- Available from the Pro plan
- Price comparison
- Priced below 15 of 255 pro-band guarded models on Anoman (blended price: 1 part input to 3 parts output).
Released
2024-12
Training cutoff
2024-09
Parameters
Not disclosed
Ways to call
Ways to call Claude Opus 4.6 (legacy)
Each model ID below is callable through the Anoman AI API. Price and processing region depend on the route.
| Model ID | Route | Input / output per 1M tokens | Region(s) | Lane | Context |
|---|---|---|---|---|---|
| claude-opus-4-6 | Via Anthropic's API | $5.00 / $25.00 | us | Guarded | 1.0M |
| claude-opus-4-6-openrouter | Via OpenRouter | $5.00 / $25.00 | global | Guarded | 1.0M |
Best for
Use cases
- Production deployments pinned to a specific Opus generation
Strengths
What it does well
- Stable across upgrades
- Same Anthropic quality as 4.7 for most tasks
Limitations
Know the trade-offs
- Slightly weaker on coding + reasoning vs 4.7
Code example
Chat completion with Claude Opus 4.6 (legacy)
from openai import OpenAI
client = OpenAI(
base_url="https://api.anoman.io/v1",
api_key="anm-sk-..."
)
response = client.chat.completions.create(
model="claude-opus-4-6",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)Alternatives
Similar models in our catalog
Same maker first, then the closest price to Claude Opus 4.6 (legacy) in the Anoman catalog.