Claude Sonnet 5 vs GPT-4.1 (Comparative Analysis)
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Comparative Analysis: Claude Sonnet 5 vs. GPT-4.1
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Overview
GPT-4.1 was released 1 year before Claude Sonnet 5.
 Claude Sonnet 5 |  GPT-4.1 | |
|---|---|---|
Model Provider The organization behind this AI's development | Anthropic | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 128K tokens | 32.8K tokens |
Release Date When this model first became publicly available | June 30, 2026 27 days ago June 30th, 2026 | April 14, 2025 1 year ago April 14th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | Not reported | June 30, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Claude Sonnet 5 | GPT-4.1 | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image📁File | 🖼️Image📝Text📁File |
Reasoning Controls Defaults and configurable reasoning effort | Enabled by defaultEffort: Max, Extra High, High, Medium, LowDefault: High | Not reported |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Claude | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation | ✓Function Calling✓Structured OutputReasoning Mode✓Content Moderation |
Pricing
Claude Sonnet 5 is roughly 1.0x less expensive compared to GPT-4.1 for input tokens and roughly 1.3x more expensive for output tokens.
| Claude Sonnet 5 | GPT-4.1 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $2.00 per million tokens | $2.00 per million tokens |
Output Token Cost Cost per million output tokens | $10.00 per million tokens | $8.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.01 per search | $0.01 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.20 per million tokens | $0.50 per million tokens |
Cache Write Cost Cost to write input tokens to the cache | $2.50 per million tokens | Not specified |
1-Hour Cache Write Cost Cost to cache input tokens for one hour | $4.00 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between Claude Sonnet 5 and GPT-4.1.
| Claude Sonnet 5 | GPT-4.1 | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 53.4 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 71.5 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 46.7 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,345 Elo (#3 in Game Dev (59.9% win rate)) | 1,136 Elo (#74 in Data Viz (59.5% win rate)) |
At a Glance
Quick overview of what makes Claude Sonnet 5 and GPT-4.1 unique.
Claude Sonnet 5 by Anthropic understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Reasonably priced at $2.00/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released June 30th, 2026.GPT-4.1 by OpenAI understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 1M token context window. Reasonably priced at $2.00/M input and $8.00/M output tokens. Includes built-in content moderation for safer outputs. Released April 14th, 2025.Explore More Comparisons
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Compare GPT-4.1 with:
🚀Programming
Best models for coding and development
🎨Creative & Roleplay
Models optimized for creative writing
📢Marketing
Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
Scientific research and analysis
🌐Translation
Multilingual translation tasks