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ChatGPT vs Copilot
ChatGPT
OpenAI
VS
Copilot
Microsoft

ChatGPT vs Copilot — benchmark comparison

Pick the exact versions you want to compare and see benchmark scores side by side. Data refreshes daily.

Compare models

AI model comparison across key benchmarks

Pick any two models and see how they stack up on the metrics that actually matter, side by side.

Model A
VS
Model B
Metric
GPT-6 Astra Max
GPT-5.5
Arena Score
Community rating from LMArena, where users blindly vote on responses from two models. Higher scores mean the model wins more head-to-head matchups in real prompts.
1,474.1
1,476.1
Arena rank
Position on the LMArena overall leaderboard. Lower is better.
#41
#33
Votes
Number of blind head-to-head votes behind the score. More votes mean a more stable rating.
18,315
69,937
Context window
How much text the model can process in a single request, measured in tokens. Larger windows fit longer documents, bigger codebases, and more back-and-forth history.
1.1M tokens
1.1M tokens
Input price
Cost per million input tokens — the text you send to the model, including prompts, documents, and prior conversation.
$10.00 / 1M
$5.00 / 1M
Output price
Cost per million output tokens — the text the model generates in response. Usually priced higher than input.
$50.00 / 1M
$30.00 / 1M
License
Proprietary models are available only through the vendor; open-weight models can be self-hosted.
Proprietary
Proprietary
Data source: LM Arena (CC BY 4.0) · Last updated: 9 Nov 2026 Scores normalised for display

Learn more about each LLM

Full spec sheets — capabilities, supported use cases, versions, and pricing detail.

Other matchups you might want

Other comparisons involving ChatGPT and Copilot — same benchmarks, different pairs.

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