Claude 3 Opus
Anthropic
Anthropic's most capable model in the Claude 3 family, setting new standards for AI performance. Outperforms peers on most common evaluation benchmarks including graduate-level reasoning (GPQA), undergraduate knowledge (MMLU), and basic math (GSM8K). Achieved near-perfect 99% accuracy on 'Needle in a Haystack' recall evaluation. Features sophisticated vision capabilities for analyzing photos, charts, and technical diagrams. 200K context window expandable to 1M for specific use cases. Note: Deprecated as of January 2026, scheduled for retirement January 5, 2026 - migrate to Claude Opus 4.1.
Strengths
- Near-perfect 99% accuracy on Needle in a Haystack recall evaluation
- Outperforms GPT-4 and Gemini Ultra on most common benchmarks
- Sophisticated vision capabilities - analyzes photos, charts, graphs, technical diagrams
- 200K context window with option to expand to 1M for specific use cases
- Graduate-level expert reasoning (GPQA benchmark leader)
- Strong function calling and tool use for agentic workflows
- Available via Claude.ai Pro for $20/month unlimited access
Caveats
- Deprecated - scheduled for full retirement January 5, 2026 (migrate to Opus 4.1)
- Expensive pricing ($15 input, $75 output vs GPT-4o $2.50/$10)
- August 2023 knowledge cutoff older than competitors
- 4K max output tokens lower than newer models
- Slower generation than Claude 3 Haiku and Sonnet
- Vendor
- Anthropic
- Context Window
- 200,000 tokens
- Max Output
- 4,096 tokens
- License
- Proprietary
- Release Date
- 2024-03-04
- Training Cutoff
- 2023-08-01
- Modalities
- textimage
| Benchmark | Score | Max |
|---|---|---|
| livebench_instruction_following | 65.6 | 100.0 |
| livebench_language | 52.6 | 100.0 |
| livebench_coding | 38.6 | 100.0 |
Capabilities
Vision
Audio
Video
Tool Use
Resources
Pricing
$15 per 1M input tokens, $75 per 1M output tokens. ChatGPT Pro: $20/month unlimited access