Claude 3Released 2024-03-04

Claude 3 Opus

Deprecated — former flagship of the Claude 3 generation

Family

Claude 3

Release Date

2024-03-04

Best For

Legacy integrations only — consider upgrading to Opus 4.6

Overview

Claude 3 Opus was the flagship model of the Claude 3 generation, released in March 2024. It has been deprecated and superseded by Claude Opus 4.5 and 4.6. It remains available for existing integrations but is not recommended for new projects.

Pricing

Input / 1M tokens

$15.00

Output / 1M tokens

$75.00

Context Window

200K

Max Output

API model ID: claude-3-opus-20240229

Key Features

✓Former flagship with strong reasoning capabilities

✓200K token context window

✓Proven at complex analytical tasks

✓4K max output tokens

✓Deprecated — consider upgrading to Opus 4.6

Use Cases

Existing production integrations not yet migrated

Legacy applications with established prompts

Benchmarks

Benchmark	Score
MMLU (5-shot)	86.8%
Coding (HumanEval)	84.9%

Related Models

Claude Opus 4 Claude 3 Haiku

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