Claude 4 Sonnet (Extended Thinking): Intelligence, Performance & Price Analysis
Analysis of Anthropic's Claude 4 Sonnet (Extended Thinking) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more. Click on any model to compare API providers for that model. For more details including relating to our methodology, see our FAQs.
Comparison Summary
Intelligence:
Claude 4 Sonnet Thinking is of higher intelligence compared to average, with Artificial Analysis Intelligence Index of 57.
Price:Claude 4 Sonnet Thinking is more expensive compared to average with a price of $6.00 per 1M Tokens (blended 3:1).
Claude 4 Sonnet Thinking Input token price: $3.00, Output token price: $15.00 per 1M Tokens.
Speed:Claude 4 Sonnet Thinking Input token price: $3.00, Output token price: $15.00 per 1M Tokens.
Claude 4 Sonnet Thinking is slower compared to average, with a output speed of 49.5 tokens per second.
Latency:Claude 4 Sonnet Thinking has a lower latency compared to average, taking 1.05s to receive the first token (TTFT).
Context Window:Claude 4 Sonnet Thinking has a larger context windows than average, with a context window of 1.0M tokens.
Highlights
Intelligence
Artificial Analysis Intelligence Index; Higher is better
Speed
Output Tokens per Second; Higher is better
Price
USD per 1M Tokens; Lower is better
Parallel Queries:
Prompt Length:
Claude 4 Sonnet (Extended Thinking) Model Details
Comparisons to Claude 4 Sonnet Thinking
Claude 4 Sonnet Thinking
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GPT-4.1
gpt-oss-120B (high)
gpt-oss-20B (high)
o3
GPT-5 (minimal)
Llama 4 Maverick
Gemini 2.5 Pro
Gemini 2.5 Flash (Reasoning)
Claude 4.1 Opus Thinking
Magistral Small
DeepSeek V3.1 (Reasoning)
DeepSeek V3.1 (Non-reasoning)
DeepSeek R1 0528
Grok Code Fast 1
Grok 4
Solar Pro 2 (Reasoning)
Llama Nemotron Super 49B v1.5 (Reasoning)
Kimi K2
EXAONE 4.0 32B (Reasoning)
GLM-4.5
Qwen3 235B 2507 (Reasoning)
Further details