Fix #20562: Correct Bedrock Claude Opus 4.6 model IDs

[rahulrd25]

Relevant issues

Fixes #20562

Pre-Submission checklist

• My PR's scope is as isolated as possible, it only solves 1 specific problem

Type

🐛 Bug Fix

Changes

• Remove :0 suffix from Claude Opus 4.6 Bedrock model IDs in model_prices_and_context_window.json
• Change claude-opus-4-6-v1:0 → claude-opus-4-6-v1 (global and regional variants)
• Fixes "invalid model identifier" error when using Opus 4.6 on AWS Bedrock

[vercel]

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Project	Deployment	Actions	Updated (UTC)
litellm	Ready	Preview, Comment	Feb 6, 2026 8:50am

[greptile-apps]

Greptile Overview

Greptile Summary

• Updates the Bedrock Converse model ID keys for Claude Opus 4.6 in model_prices_and_context_window.json by removing the trailing :0 suffix.
• Applies the same change across the base, global, and regional (us, eu, apac) variants.
• Intended to resolve Bedrock “invalid model identifier” errors while keeping the existing pricing/context metadata unchanged.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk.
• Single-file JSON key rename scoped to Opus 4.6 Bedrock model IDs; no code-path changes and the updated keys remain consistent with the surrounding Bedrock model naming scheme in the same file.
• No files require special attention

Important Files Changed

Filename	Overview
model_prices_and_context_window.json	Updated AWS Bedrock Claude Opus 4.6 model price/context entries by removing the trailing ":0" suffix from the model ID keys for global and regional variants.

Sequence Diagram

sequenceDiagram
  autonumber
  participant U as User
  participant L as LiteLLM
  participant M as model_prices_and_context_window.json
  participant B as AWS Bedrock

  U->>L: Request with model "anthropic.claude-opus-4-6-v1" (or global/us/eu/apac)
  L->>M: Lookup pricing/context by model ID key
  M-->>L: Return cost + token window + capability metadata
  L->>B: Invoke Bedrock with model identifier (no ":0" suffix)
  B-->>L: Accepts identifier / returns response
  L-->>U: Stream/return completion

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[greptile-apps]

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[avinashkadiyala-branch]

Any update on when this will be merged?