Claude Sonnet 4.6 (Non-reasoning, Low Effort)

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Anthropic
2026-02-17
Proprietary
Modality:
Intelligence
42.6
#67/523
Coding
43
#42/429
Math
Speed
47 tok/s
TTFT: 1.17s
Pricing
$3.00 / $15.00
per 1M tokens (in/out)
Google Preferred Source

Claude Sonnet 4.6 (Non-reasoning, Low Effort) is Anthropic’s model designed for efficient processing of tasks with a focus on low-effort interactions. It operates at a speed of 46.791 tokens per second and is priced at $3 per million input tokens and $15 per million output tokens, making it suitable for various professional applications.

When to Use Claude Sonnet 4.6 (Non-reasoning, Low Effort)

✓ Best For

  • Automating routine tasks.
  • Generating simple code snippets.
  • Assisting with data entry and management.

✗ Not Ideal For

  • Complex reasoning tasks.
  • High-effort creative writing.

How Claude Sonnet 4.6 (Non-reasoning, Low Effort) Compares

Intelligence Index · Higher is better

KimiZ AIAnthropicStepFun

Benchmark Profile

Coding Index

DeepSeekOpenAIAnthropicAlibaba

Output Speed · tok/s

AnthropicDeepSeek

Intelligence · Coding · Math

Intelligence Coding Math

All Benchmark Scores (22)

BenchmarkScore
Intelligence Index 42.6
Coding Index 43
GPQA 797%
HLE 108%
SciCode 44.1%
IFBench 42.4%
LCR 58.7%
TerminalBench Hard 42.4%
Tau2 78.9%
ARC-AGI v2 58.3%
BrowseComp 74.7%
Finance Agent 63.3%
GDPval-AA 1633%
Humanity's Last Exam 49%
MCP Atlas 61.3%
MMMLU 89.3%
MMMU-Pro 75.6%
OSWorld 72.5%
SWE-Bench Verified 79.6%
Tau2 Retail 91.7%
Tau2 Telecom 97.9%
Terminal-Bench 2.0 59.1%

Data: Artificial Analysis · Updated: April 9, 2026

Frequently Asked Questions (15)

When was Claude Sonnet 4.6 (Non-reasoning, Low Effort) released?
Claude Sonnet 4.6 (Non-reasoning, Low Effort) was released on February 17, 2026.
Who created Claude Sonnet 4.6 (Non-reasoning, Low Effort)?
Claude Sonnet 4.6 (Non-reasoning, Low Effort) was created by Anthropic.
How intelligent is Claude Sonnet 4.6 (Non-reasoning, Low Effort)?
Claude Sonnet 4.6 (Non-reasoning, Low Effort) scores 43 on the Artificial Analysis Intelligence Index, placing it well above average among other non-reasoning models in a similar price tier (median: 22).
How fast is Claude Sonnet 4.6 (Non-reasoning, Low Effort)?
Claude Sonnet 4.6 (Non-reasoning, Low Effort) generates output at 42.2 tokens per second (based on Anthropic's API), which is below average compared to other non-reasoning models in a similar price tier (median: 56.6 t/s).
What is the latency of Claude Sonnet 4.6 (Non-reasoning, Low Effort)?
Claude Sonnet 4.6 (Non-reasoning, Low Effort) has a time to first token (TTFT) of 1.43s (based on Anthropic's API), which is better than average compared to other non-reasoning models in a similar price tier (median: 1.56s).
How much does Claude Sonnet 4.6 (Non-reasoning, Low Effort) cost?
Claude Sonnet 4.6 (Non-reasoning, Low Effort) costs $3.00 per 1M input tokens (somewhat higher than average, median: $2.00) and $15.00 per 1M output tokens (somewhat higher than average, median: $8.00), based on Anthropic's API.
What is Claude Sonnet 4.6 (Non-reasoning, Low Effort) API pricing?
Claude Sonnet 4.6 (Non-reasoning, Low Effort) costs $3.00 per 1M input tokens and $15.00 per 1M output tokens (based on Anthropic's API). For a blended rate (3:1 input to output ratio), this is $6.00 per 1M tokens. Pricing may vary by provider.
How verbose is Claude Sonnet 4.6 (Non-reasoning, Low Effort)?
When evaluated on the Intelligence Index, Claude Sonnet 4.6 (Non-reasoning, Low Effort) generated 7.2M output tokens, which is somewhat higher than average compared to other non-reasoning models in a similar price tier (median: 6.0M).
Is Claude Sonnet 4.6 (Non-reasoning, Low Effort) a reasoning model?
No, Claude Sonnet 4.6 (Non-reasoning, Low Effort) is not a reasoning model. It provides direct responses without extended chain-of-thought reasoning.
What input modalities does Claude Sonnet 4.6 (Non-reasoning, Low Effort) support?
Claude Sonnet 4.6 (Non-reasoning, Low Effort) supports text and image input.
What output modalities does Claude Sonnet 4.6 (Non-reasoning, Low Effort) support?
Claude Sonnet 4.6 (Non-reasoning, Low Effort) supports text output.
Can Claude Sonnet 4.6 (Non-reasoning, Low Effort) process images?
Yes, Claude Sonnet 4.6 (Non-reasoning, Low Effort) supports image input and can analyze, describe, and answer questions about images.
Is Claude Sonnet 4.6 (Non-reasoning, Low Effort) multimodal?
Yes, Claude Sonnet 4.6 (Non-reasoning, Low Effort) is multimodal. It can process text and image input and generate text output.
What is the context window of Claude Sonnet 4.6 (Non-reasoning, Low Effort)?
Claude Sonnet 4.6 (Non-reasoning, Low Effort) has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request.
Is Claude Sonnet 4.6 (Non-reasoning, Low Effort) open source?
No, Claude Sonnet 4.6 (Non-reasoning, Low Effort) is proprietary. The model weights are not publicly available.