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Head to head

Claude 2 vs GPT-3.5 (davinci-002)

Anthropic
Claude 2
July 2023
vs
OpenAI
GPT-3.5 (davinci-002)
March 2022
3.9×10²⁴Training compute (FLOP)2.6×10²⁴
$5MTraining cost$5M

Claude 2 (Anthropic) and GPT-3.5 (davinci-002) (OpenAI) are both frontier AI models. Claude 2 was published in July 2023 and GPT-3.5 (davinci-002) in March 2022.

Claude 2 was trained on 3.9×10²⁴ FLOP, about 1.5x the compute of GPT-3.5 (davinci-002) at 2.6×10²⁴ FLOP. Training compute is the closest available proxy for how much was invested in a model, though it says nothing on its own about how well that compute was spent.

These two models share no benchmark on which both have been scored, so no direct performance comparison is possible here. The specification table below is a comparison of inputs, not of results.

Specifications
Anthropic
Organization
OpenAI
Jul 11, 2023
Published
Mar 15, 2022
3.9×10²⁴ FLOP
Training compute1.5x
2.6×10²⁴ FLOP
--
Training hardware
NVIDIA A100 SXM4 40 GB
$5M
Training cost (2023 USD)
$5M
API access
Accessibility
API access
No
Open weights
No
United States
Country
United States
Related comparisons
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.