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Claude Sonnet 5

by Anthropic · Released Jun 2026

Multimodal1M Context
66.3
avg score
Rank #52
Compare
Better than 83% of all models
Context
1.0M tokens (~500 books)
Input $/1M
$2.00
Output $/1M
$10.00
Type
multimodal
License
Proprietary
Benchmarks
17 tested
Data as of
About

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...

Tested on 17 benchmarks · BenchGecko score 66.3. Top scores: OTIS Mock AIME 2024-2025 (94.7%), Dtbench (87.5%), GPQA diamond (87.4%).

Looking for similar performance at lower cost?
DeepSeek V4 Pro 0813 scores 66.8 (101% as good) at $0.55/1M input · 73% cheaper
Capabilities
coding
50.7
#90 globally
reasoning
52.7
#74 globally
math
63.2
#68 globally
knowledge
50.9
#123 globally
agentic
54.5
#16 globally
general
62.3
#10 globally
Benchmark Scores
Compare All
Tested on 17 benchmarks · Ranked across 6 categories
Score Distribution (all 312 models)
0255075100
▲ You are here
codingCompare coding →
WeirdML

Unusual and adversarial machine learning challenges. Tests robustness of reasoning about edge cases in ML systems.

68.8·
Deepswe
53.9·
Frontiercode
42.7·
reasoningCompare reasoning →
SimpleBench

Deceptively simple questions that humans find easy but AI models often get wrong. Tests common sense and reasoning gaps.

52.7·
mathCompare math →
OTIS Mock AIME 2024-2025

Mock AIME (American Invitational Mathematics Exam) problems from OTIS. Tests mathematical competition performance.

94.7·
FrontierMath-Tiers-1-3-v2-Private
65.6·
FrontierMath-Tier-4-v2-Private
29.3·
Quick compare:xAI logovs Grok 4.6Google DeepMind logovs Gemini 3.7 FlashAnthropic logovs Claude Opus 4.6
Excellent (85+) Good (70-85) Average (50-70) Below (<50)
Model Family · Anthropic Claude Sonnet
Jan 2024
30.3
n/an/actx7 benchmarks
Jan 2024
39.8+9.5
n/an/actx29 benchmarks
Jan 2024
49.2+9.4
n/an/actx27 benchmarks
Feb 2025
$3.00/M in200Kctx
May 2025
44.5-4.7
$3.00/M in200Kctx32 benchmarks
Sep 2025
44.6+0.1
$3.00/M in1.0Mctx(+800K)31 benchmarks
Sep 2025
$1.50/M in(-1.50)1.0Mctx
Feb 2026
52.5+7.9
$3.00/M in(+1.50)1.0Mctx30 benchmarks
Feb 2026
$1.50/M in(-1.50)1.0Mctx
Jun 2026
66.3+13.8
$2.00/M in(+0.50)1.0Mctx17 benchmarks
Jun 2026
$1.00/M in(-1)1.0Mctx
Sep 2026
89.2+22.9
$2.00/M in(+1)1.0Mctx17 benchmarks
Sep 2026
$1.00/M in(-1)1.0Mctx
See the full Claude Sonnet family →
Recently Happened
Claude Sonnet 5 added
Jul 1, 2026
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Links
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claude-sonnet-5
Specifications
  • Typemultimodal
  • Context1.0M tokens (~500 books)
  • ReleasedJun 2026
  • LicenseProprietary
  • StatusActive
  • Cost / Message~$0.014
Available On
Anthropic logoAnthropic$2.00
Categories
codingreasoningmathknowledgeagenticgeneral
Learn More
context-windowtransformertokens
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Related Models
xAI logoGrok 4.6
66.2
Google DeepMind logoGemini 3.7 Flash
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Anthropic logoClaude Opus 4.6
66.4
OpenAI logoGPT-5.4
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Claude Sonnet 5 is a proprietary multimodal AI model by Anthropic, released in June 2026. It has an average benchmark score of 66.3. Context window: 1M tokens.

Related Models

Grok 4.6 · xAIGemini 3.7 Flash · Google DeepMindClaude Opus 4.6 · AnthropicGPT-5.4 · OpenAIDeepSeek V4 Pro 0813 · DeepSeek

Benchmarks

OTIS Mock AIME 2024-2025DtbenchGPQA diamondProofbenchWeirdML

Related Pages

Anthropic · ProviderAnthropic · EconomyAll ModelsCompare ModelsPricingDevelopers · APIContext Window · Glossary

Key facts · as of 2026-10-05

  • Claude Sonnet 5 by Anthropic. BenchGecko score 66.3, rank 52 of 312 scored models (normalized average of public benchmark scores).
  • List price $2.00 input · $10.00 output per 1M tokens (as of 2026-10-05).
  • Sold by 10 providers (as of 2026-10-05): Amazon Bedrock $2.00 in / $10.00 out · Anthropic $2.00 in / $10.00 out · Azure $2.00 in / $10.00 out · Claude Platform on AWS $2.00 in / $10.00 out · Google $2.00 in / $10.00 out · and 5 more. Every provider

How to cite · data as of 2026-10-05

Claude Sonnet 5 · benchmarks, pricing and providers. BenchGecko, data as of 2026-10-05. https://benchgecko.ai/model/claude-sonnet-5

Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP