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
Weighted tokens formula
1× provider × 17× tier
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.
Released
2024-12
Training cutoff
2024-09
Parameters
Not disclosed
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)Weighted tokens
weighted_tokens = raw_tokens × 1 (provider) × 17 (tier)
Pro plan: 20M weighted tokens/month. Combined multiplier 17×: 1,176,471 raw tokens available.
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