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Claude 3 Sonnet — Retired model

Retired modelThis model has reached end of life and is no longer available through BazaarLink. Historical specifications and independent benchmarks remain below. Retired on May 1, 2026.

Claude 3 Sonnet is an ideal balance of intelligence and speed for enterprise workloads. Maximum utility at a lower price, dependable, balanced for scaled deployments. See the launch announcement and benchmark results [here](https://www.anthropic.com/news/claude-3-family) #multimodal

ProviderAnthropic
ReleasedMarch 2024
Model IDanthropic/claude-3-sonnet

Technical specifications

Context window
200K tokens
Reasoning
Input
TextImage
Output
Text

Independent benchmarks

Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.

Intelligence 6
Coding
Math
MMLU 58
GPQA 40
This modelCategory leader
Overall intelligence
#543out of 638 models
Aggregated across academic benchmarks
Intelligence
6
Mid-tier
This model
6
Category leader
53
Median
12
MMLU Pro
58%
This model
58%
Category leader
90%
Median
75%
GPQA
40%
This model
40%
Category leader
94%
Median
69%
LiveCodeBench
18%
This model
18%
Category leader
42%
Median
42%
HLE
4%
This model
4%
Category leader
53%
Median
7%
SciCode
23%
This model
23%
Category leader
60%
Median
34%

Top 5 — CodingCoding Index leaderboard

2Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)?/claude-fable-5-1-xhigh81$10 / $50
3Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)?/claude-fable-5-1-high79$10 / $50
4GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$4 / $20
AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →
← All Models

Frequently Asked Questions

Can I still use the retired Claude 3 Sonnet model?

No. Claude 3 Sonnet has been retired and is retained here only as a historical reference. See the active alternatives linked on this page.

Relay integrity checks

No integrity-check data is available for this model yet.

BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.

View the full integrity report →

Related models and links

More from this provider: Anthropic

Claude Opus 4.6Claude Sonnet 4.6Claude Sonnet 5Claude Haiku 4.5Claude Sonnet 4.5Claude Opus 4.7
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