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Claude 3.5 Sonnet vs GPT-6 Sol

GPT-6 Sol leads the LLM Stats Score 49.4 to 15.9. GPT-6 Sol is 1.5x cheaper per token.

Anthropic · OpenAI · Updated for 2026

Which is better?

GPT-6 Sol leads the overall LLM Stats Score 49.4 to 15.9, ranking #21 overall.

On price, GPT-6 Sol is roughly 1.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Sol also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, 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 GPT-6 Sol

  • overall performance matters — it scores 49.4 and ranks #21 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • cost matters — it's about 1.5x cheaper per token
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Core performance indexes
15.9
#233
49.4
#21
16.0
#224
45.6
#29
13.0
#145
35.8
#25
Cost, coverage & limits
Benchmark wins
Input price
$3.00 / M
$2.00 / M
Output price
$15.00 / M
$10.00 / M
Context window
200,000
1,050,000

Individual benchmarks

9 reported for Claude 3.5 Sonnet · 5 for GPT-6 Sol

No common benchmarks found

Claude 3.5 Sonnet and GPT-6 Soldon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

GPT-6 Sol costs less

For input processing, Claude 3.5 Sonnet ($3.00/1M tokens) is 1.5x more expensive than GPT-6 Sol ($2.00/1M tokens).

For output processing, Claude 3.5 Sonnet ($15.00/1M tokens) is 1.5x more expensive than GPT-6 Sol ($10.00/1M tokens).

In conclusion, Claude 3.5 Sonnet is more expensive than GPT-6 Sol.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Sep 22 2026 • llm-stats.com
Anthropic
Claude 3.5 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAWS Bedrock
OpenAI
GPT-6 Sol
Input tokens$2.00
Output tokens$10.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

GPT-6 Sol accepts 1,050,000 input tokens compared to Claude 3.5 Sonnet's 200,000 tokens. Claude 3.5 Sonnet can generate longer responses up to 200,000 tokens, while GPT-6 Sol is limited to 128,000 tokens.

Anthropic
Claude 3.5 Sonnet
Input200,000 tokens
Output200,000 tokens
OpenAI
GPT-6 Sol
Input1,050,000 tokens
Output128,000 tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude 3.5 Sonnet and GPT-6 Sol support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude 3.5 Sonnet

Text
Images
Audio
Video

GPT-6 Sol

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude 3.5 Sonnet

Proprietary

Closed source

GPT-6 Sol

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-06-21, while GPT-6 Sol was released on 2026-09-22.

GPT-6 Sol is 27 months newer than Claude 3.5 Sonnet.

Claude 3.5 Sonnet

Jun 21, 2024

2.3 years ago

GPT-6 Sol

Sep 22, 2026

0 days ago

2.3yr newer

Knowledge Cutoff

When training data ends

GPT-6 Sol has a documented knowledge cutoff of 2026-04-20, while Claude 3.5 Sonnet's cutoff date is not specified.

We can confirm GPT-6 Sol's training data extends to 2026-04-20, but cannot make a direct comparison without Claude 3.5 Sonnet's cutoff date.

Claude 3.5 Sonnet

GPT-6 Sol

Apr 2026

Provider Availability

Claude 3.5 Sonnet is available from Bedrock, Google. GPT-6 Sol is available from OpenAI.

Claude 3.5 Sonnet

bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
google logo
Google
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

GPT-6 Sol

openai logo
OpenAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Claude 3.5 Sonnet and GPT-6 Sol side-by-side, then vote on the output you prefer.

Claude 3.5 Sonnet
✓ Preferred
GPT-6 Sol
Open in Playground

FAQ

Common questions about Claude 3.5 Sonnet vs GPT-6 Sol.

Which is better, Claude 3.5 Sonnet or GPT-6 Sol?

GPT-6 Sol leads the LLM Stats Score 49.4 to 15.9. Claude 3.5 Sonnet is made by Anthropic and GPT-6 Sol is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude 3.5 Sonnet compare to GPT-6 Sol in benchmarks?

Claude 3.5 Sonnet scores GSM8k: 96.4%, BIG-Bench Hard: 93.1%, HumanEval: 92.0%, MGSM: 91.6%, MMLU: 90.4%. GPT-6 Sol scores DeepSWE 1.1: 68.8%, OSWorld 2.0: 64.4%, Agents' Last Exam: 56.4%, FrontierCode 1.1: 49.3%, AutomationBench v1.0.6: 33.2%.

Is Claude 3.5 Sonnet cheaper than GPT-6 Sol?

GPT-6 Sol is 1.5x cheaper for input tokens. Claude 3.5 Sonnet costs $3.00/M input and $15.00/M output via bedrock. GPT-6 Sol costs $2.00/M input and $10.00/M output via openai.

What are the context window sizes for Claude 3.5 Sonnet and GPT-6 Sol?

Claude 3.5 Sonnet supports 200K tokens and GPT-6 Sol supports 1.1M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3.5 Sonnet and GPT-6 Sol?

Key differences include LLM Stats Score (15.9 vs 49.4), context window (200K vs 1.1M), input pricing ($3.00 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Sonnet and GPT-6 Sol?

Claude 3.5 Sonnet is developed by Anthropic and GPT-6 Sol is developed by OpenAI.