Claude 3 Opus
Previous-gen Opus still strong for writing-heavy workloads.
Pricing
Specifications
Benchmark Scores
Strengths
- Exceptional writing
- Proven reliability
Weaknesses
- Superseded by Claude 4
- High cost
Historical Intelligence
Pricing, context, and benchmark trends over time
Pricing History
Input and output price per million tokens over time
Context Window Growth
Context window tokens over time
Coding Score Progress
Benchmark score over time (0–100)
Reasoning Score Progress
Benchmark score over time (0–100)
Claude 3 Opus Evolution
Combined pricing trend and benchmark performance
Claude 3 Opus vs related models
Capability radar vs semantically related catalog models
Intelligence Graph
Provider hub →Provider Overview
Anthropic develops the Claude family of AI models focused on safety, reliability, and enterprise-grade performance. Claude excels at coding, analysis, and long-form writing.
9 models tracked · Documentation
Related Models
Computed from benchmark, pricing, and capability similarity
Claude 4 Opus
Anthropic flagship for the most demanding tasks.
Why: same provider (Anthropic), both vision-capable
Confidence89%Claude 3.5 Sonnet
Balanced Claude model excelling at coding and analysis.
Why: same provider (Anthropic), similar coding performance
Confidence88%Claude Opus 4.1
Anthropic's latest Opus-class model for deep reasoning, coding, and long-form analysis.
Why: same provider (Anthropic), both vision-capable
Confidence87%Claude 3.7 Sonnet
Sonnet with extended thinking for harder problems.
Why: same provider (Anthropic), similar coding performance
Confidence84%Claude 4 Sonnet
Latest Sonnet with improved reasoning and tool use.
Why: same provider (Anthropic), similar reasoning scores
Confidence83%Claude 4 Haiku
Next-gen Haiku with Claude 4 intelligence at low cost.
Why: same provider (Anthropic), both vision-capable
Confidence80%
Recommended Comparisons
Side-by-side analysis with semantically similar models
Claude 3 Opus vs Claude 4 Opus
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (Anthropic), both vision-capable
Confidence89%Claude 3 Opus vs Claude 3.5 Sonnet
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (Anthropic), similar coding performance
Confidence88%Claude 3 Opus vs Claude Opus 4.1
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (Anthropic), both vision-capable
Confidence87%Claude 3 Opus vs Claude 3.7 Sonnet
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (Anthropic), similar coding performance
Confidence84%Claude 3 Opus vs Claude 4 Sonnet
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (Anthropic), similar reasoning scores
Confidence83%Claude 3 Opus vs Claude 4 Haiku
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (Anthropic), both vision-capable
Confidence80%
Best Alternatives
Higher-scoring models with similar capability profiles
Claude 4 Opus
Anthropic flagship for the most demanding tasks.
Why: +6 overall benchmark score, same provider (Anthropic), both vision-capable
Confidence89%Claude Opus 4.1
Anthropic's latest Opus-class model for deep reasoning, coding, and long-form analysis.
Why: +5 overall benchmark score, same provider (Anthropic), both vision-capable
Confidence87%GPT-5
OpenAI flagship GPT-5 generation for general and agentic workloads.
Why: +5 overall benchmark score, similar coding performance, similar reasoning scores
Confidence69%Claude 4 Sonnet
Latest Sonnet with improved reasoning and tool use.
Why: +4 overall benchmark score, same provider (Anthropic), similar reasoning scores
Confidence83%
Cheaper Alternatives
Lower-cost models with comparable attributes
Claude 3.5 Sonnet
Balanced Claude model excelling at coding and analysis.
Why: Saves $72.00/M combined tokens vs Claude 3 Opus
Confidence88%Claude 3.7 Sonnet
Sonnet with extended thinking for harder problems.
Why: Saves $72.00/M combined tokens vs Claude 3 Opus
Confidence84%Claude 4 Sonnet
Latest Sonnet with improved reasoning and tool use.
Why: Saves $72.00/M combined tokens vs Claude 3 Opus
Confidence83%Claude 4 Haiku
Next-gen Haiku with Claude 4 intelligence at low cost.
Why: Saves $85.20/M combined tokens vs Claude 3 Opus
Confidence80%
Related Calculators
AI Cost Calculator
Estimate daily, monthly, and yearly API costs with provider and model selection.
Why: Estimate costs for Claude 3 Opus
Token Counter
Convert between words and estimated token counts.
Why: Token estimation for prompt workloads
Inference Latency Estimator
Project response times based on output tokens and throughput.
Why: standard latency tier estimation
Context Window Utilization
Calculate how much of a model's context window you're consuming.
Why: 200K context window analysis
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Timeline Highlights
Claude 3 Opus — Model Release
Why: Direct model timeline event
Claude 3 Opus — API Release
Why: Direct model timeline event
Claude 3 Opus — Pricing Update
Why: Direct model timeline event
Claude 3 Opus — Vision Support
Why: Direct model timeline event
Claude 3 Opus — Function Calling
Why: Direct model timeline event
Latest Releases
Recent launches from related providers