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Anthropic model product

Claude Sonnet 3.5

5 Sonnet is a powerful AI model.

Updated Aug 12, 2026. Default version: Claude 3.5 Sonnet

Compare
LLMBoard score32.1Claude 3.5 Sonnet
Coverage80%17 benchmark families
Context window200KTokens
Official input priceN/AOfficial price unavailable

On this page

  • Specification
  • Capability
  • Benchmarks
  • Arena
  • Runtime
  • Pricing
  • Versions
  • About
  • Compare
  • Similar models
  • FAQ

Claude Sonnet 3.5 Specifications

Technical details for the model's default version.

Version
Claude 3.5 Sonnet
Released
Oct 22, 2024
Knowledge cutoff
Apr 30, 2024
Parameters
N/A
Context window
200K
Max output
8.2K
Inputs
image, pdf, text
Outputs
text
Open weights
No
License
Proprietary

Claude Sonnet 3.5 Capability Profile

This profile uses the model's current scored version. Arena ratings and prices are shown separately.

Claude 3.5 Sonnet category scores

Claude Sonnet 3.5 Benchmark Results

Benchmark scores for Claude 3.5 Sonnet.

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AI2D94.7%0132100.0%CAug 11, 2026
ChartQA90.8%0124100.0%CAug 11, 2026
OSWorld Extended22.0%011100.0%CAug 11, 2026
OSWorld Screenshot-only14.9%011100.0%CAug 11, 2026
BIG-Bench Hard93.1%022195.0%CAug 11, 2026
DocVQA95.2%032692.0%CAug 11, 2026
DROP87.1%033093.1%CAug 11, 2026
HumanEval93.7%036696.9%CAug 11, 2026
MGSM91.6%043190.0%CAug 11, 2026
GSM8k96.4%074887.2%CAug 11, 2026
MMLU90.4%0810092.9%CAug 11, 2026
TAU-bench Retail69.2%122554.2%CAug 11, 2026
TAU-bench Airline46.0%162331.8%CAug 11, 2026
MathVista67.7%203950.0%CAug 11, 2026
MATH78.3%217171.4%CAug 11, 2026
MMMU68.3%356345.2%CAug 11, 2026
MMLU-Pro77.6%6212952.3%CAug 11, 2026
SWE-Bench Verified49.0%9010514.4%CAug 11, 2026
GPQA67.2%13823441.2%CAug 11, 2026

Claude Sonnet 3.5 Arena Results

Preference and agent-evaluation results for the default version.

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vision style controloverall901161.110,389N/AAug 6, 2026
visionoverall1041125.510,389N/AAug 6, 2026
text style controloverall1691373.488,405N/AAug 10, 2026
textoverall2221297.888,405N/AAug 10, 2026

Claude Sonnet 3.5 Runtime Performance

Provider-specific output speed and catalog latency for Claude 3.5 Sonnet. Runtime does not affect the capability score.

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Bedrock101 tok/s0.5 s200K200KAug 11, 2026
Anthropic100 tok/s0.5 s200K200KAug 11, 2026
Google42 tok/s0.4 s200K200KAug 11, 2026

Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.

Claude Sonnet 3.5 Pricing

Official vendor API pricing appears first, followed by individual provider offers.

Official API
N/A
Official provider
N/A
Lowest third-party
N/A
Tracked offerings
0
No provider prices

The default version has no current input or output token prices.

Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.

Claude Sonnet 3.5 Versions

Available versions of this model. The score column identifies the version used in the overall ranking.

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Claude 3.5 SonnetOct 22, 202432.1N/A200K8.2KNoProprietary
Claude 3.5 SonnetJun 21, 2024N/AN/A200K200KNoProprietary

What is Claude Sonnet 3.5?

Key information about Claude Sonnet 3.5 and its available data.

5 Sonnet is a powerful AI model. It excels in graduate-level reasoning, undergraduate-level knowledge, and coding proficiency, with improved understanding of nuance, humor, and complex instructions.

Data as of 2026-08-11.

Claude Sonnet 3.5 vs nearby models

Open a comparison with the three ranked models immediately above and below this model.

Claude Sonnet 3.5vsLongCat Flash LiteClaude Sonnet 3.5vsQwen3.5 4BClaude Sonnet 3.5vsNemotron Nano 9BClaude Sonnet 3.5vsQwen3 30B A3BClaude Sonnet 3.5vsGPT-4.1Claude Sonnet 3.5vsQwen3 VL 30B A3B Thinking

Models similar to Claude Sonnet 3.5

Recommendations prioritize the same model type and family, then the closest LLMBoard score.

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FAQ

Common questions about Claude Sonnet 3.5.

When was Claude Sonnet 3.5 released?

Claude Sonnet 3.5's default version was released on Oct 22, 2024.

How much does Claude Sonnet 3.5 cost?

No official standard PAYG price is currently available for Claude Sonnet 3.5.

Who created Claude Sonnet 3.5?

Claude Sonnet 3.5 was created by Anthropic.

What is the context window for Claude Sonnet 3.5?

The default version has a 200K token context window.

Is Claude Sonnet 3.5 open weight?

No. The default version is not marked as having publicly available weights.

How many API providers offer Claude Sonnet 3.5?

No provider offering is currently linked to the default version.

What models should I compare Claude Sonnet 3.5 with?

Nearby ranked alternatives include LongCat Flash Lite, Qwen3.5 4B, Nemotron Nano 9B.