Claude 4 Sonnet
Latest Sonnet with improved reasoning and tool use.
Pricing
Specifications
Benchmark Scores
Strengths
- State-of-art coding
- Strong agents
- Reliable outputs
Weaknesses
- Premium tier pricing
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 4 Sonnet Evolution
Combined pricing trend and benchmark performance
Claude 4 Sonnet 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 3.7 Sonnet
Sonnet with extended thinking for harder problems.
Why: same provider (Anthropic), similar coding performance
Confidence99%Claude Sonnet 4.5
Anthropic's balanced Sonnet 4.5 for production coding and agent workflows.
Why: same provider (Anthropic), similar coding performance
Confidence95%Claude 3.5 Sonnet
Balanced Claude model excelling at coding and analysis.
Why: same provider (Anthropic), similar coding performance
Confidence95%Grok 3
xAI flagship with strong reasoning and tool use.
Why: similar coding performance, similar reasoning scores
Confidence91%Claude 4 Haiku
Next-gen Haiku with Claude 4 intelligence at low cost.
Why: same provider (Anthropic), both vision-capable
Confidence90%Kimi K3
Moonshot flagship open-frontier model with ~2.8T parameters, native vision, and a 1M-token context window.
Why: similar coding performance, similar reasoning scores
Confidence89%
Recommended Comparisons
Side-by-side analysis with semantically similar models
Claude 4 Sonnet vs Claude 3.7 Sonnet
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (Anthropic), similar coding performance
Confidence99%Claude 4 Sonnet vs Claude Sonnet 4.5
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (Anthropic), similar coding performance
Confidence95%Claude 4 Sonnet vs Claude 3.5 Sonnet
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (Anthropic), similar coding performance
Confidence95%Claude 4 Sonnet vs Grok 3
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance, similar reasoning scores
Confidence91%Claude 4 Sonnet vs Claude 4 Haiku
Side-by-side pricing, benchmarks, and capabilities
Why: same provider (Anthropic), both vision-capable
Confidence90%Claude 4 Sonnet vs Kimi K3
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance, similar reasoning scores
Confidence89%
Best Alternatives
Higher-scoring models with similar capability profiles
Claude 4 Opus
Anthropic flagship for the most demanding tasks.
Why: +2 overall benchmark score, same provider (Anthropic), similar coding performance
Confidence84%GPT-5
OpenAI flagship GPT-5 generation for general and agentic workloads.
Why: +1 overall benchmark score, similar coding performance, similar reasoning scores
Confidence84%Claude Opus 4.1
Anthropic's latest Opus-class model for deep reasoning, coding, and long-form analysis.
Why: +1 overall benchmark score, same provider (Anthropic), similar coding performance
Confidence82%
Cheaper Alternatives
Lower-cost models with comparable attributes
Claude 4 Haiku
Next-gen Haiku with Claude 4 intelligence at low cost.
Why: Saves $13.20/M combined tokens vs Claude 4 Sonnet
Confidence90%Claude 3.5 Haiku
Fast and affordable Claude for high-throughput workloads.
Why: Saves $13.20/M combined tokens vs Claude 4 Sonnet
Confidence88%Command A
Cohere flagship agentic model for tool use and search.
Why: Saves $5.50/M combined tokens vs Claude 4 Sonnet
Confidence87%Mistral Large
Mistral flagship for enterprise European deployments.
Why: Saves $10.00/M combined tokens vs Claude 4 Sonnet
Confidence86%
Related Calculators
AI Cost Calculator
Estimate daily, monthly, and yearly API costs with provider and model selection.
Why: Estimate costs for Claude 4 Sonnet
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 4 Sonnet — Model Release
Why: Direct model timeline event
Claude 4 Sonnet — API Release
Why: Direct model timeline event
Claude 4 Sonnet — Pricing Update
Why: Direct model timeline event
Claude 4 Sonnet — Vision Support
Why: Direct model timeline event
Claude 4 Sonnet — Function Calling
Why: Direct model timeline event
Latest Releases
Recent launches from related providers