Claude 3.5 Sonnet vs Claude 3.5 Sonnet
Both models are evenly matched across the benchmarks. Claude 3.5 Sonnet and Claude 3.5 Sonnet cost the same.
Anthropic · Anthropic · Updated for 2026
Which is better?
Claude 3.5 Sonnet outperforms in 4 benchmarks (GPQA, HumanEval, MATH, MMLU-Pro), while Claude 3.5 Sonnet is better at 4 benchmarks (GPQA, HumanEval, MATH, MMLU-Pro). Both models are evenly matched across the benchmarks.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Claude 3.5 Sonnet
- you want predictable pricing at $3.00/M input and $15.00/M output
Choose Claude 3.5 Sonnet
- you want the most recent training data — it shipped Oct 2024
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Claude 3.5 Sonnet outperforms in 4 benchmarks (GPQA, HumanEval, MATH, MMLU-Pro), while Claude 3.5 Sonnet is better at 4 benchmarks (GPQA, HumanEval, MATH, MMLU-Pro).
Both models are evenly matched across the benchmarks.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3.5 Sonnet ($3.00/1M tokens) costs the same as Claude 3.5 Sonnet ($3.00/1M tokens).
For output processing, Claude 3.5 Sonnet ($15.00/1M tokens) costs the same as Claude 3.5 Sonnet ($15.00/1M tokens).
In conclusion, Claude 3.5 Sonnet and Claude 3.5 Sonnet cost the same.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 200,000 tokens. Both models can generate responses up to 200,000 tokens.
Input Capabilities
Supported data types and modalities
Both Claude 3.5 Sonnet and Claude 3.5 Sonnet support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude 3.5 Sonnet
Claude 3.5 Sonnet
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude 3.5 Sonnet was released on 2024-06-21, while Claude 3.5 Sonnet was released on 2024-10-22.
Claude 3.5 Sonnet is 4 months newer than Claude 3.5 Sonnet.
Jun 21, 2024
2.2 years ago
Oct 22, 2024
1.8 years ago
4mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3.5 Sonnet is available from Bedrock, Google. Claude 3.5 Sonnet is available from Anthropic, Bedrock, Google.
Claude 3.5 Sonnet
Claude 3.5 Sonnet
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3.5 Sonnet and Claude 3.5 Sonnet side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3.5 Sonnet vs Claude 3.5 Sonnet.