Claude 3 Opus vs GPT-3.5 Turbo
Claude 3 Opus leads the LLM Stats Score 10.4 to -8.8. GPT-3.5 Turbo is 40.0x cheaper per token.
Anthropic · OpenAI · Updated for 2026
Which is better?
Claude 3 Opus leads the overall LLM Stats Score 10.4 to -8.8, ranking #246 overall.
In the 6 individual benchmarks reported for both models, Claude 3 Opus wins 6; this is a narrower head-to-head signal than the composite indexes.
On price, GPT-3.5 Turbo is roughly 40.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude 3 Opus also accepts a larger context window (200,000 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 Opus
- overall performance matters — it scores 10.4 and ranks #246 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 6 of 6 exact shared results
- you process long inputs — it offers a 200,000 token context window
- you want the most recent training data — it shipped Feb 2024
Choose GPT-3.5 Turbo
- cost matters — it's about 40.0x cheaper per token
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
11 reported for Claude 3 Opus · 8 for GPT-3.5 Turbo
Claude 3 Opus outperforms in 6 benchmarks (DROP, GPQA, HumanEval, MATH, MGSM, MMLU), while GPT-3.5 Turbo is better at 0 benchmarks.
Claude 3 Opus significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3 Opus ($15.00/1M tokens) is 30.0x more expensive than GPT-3.5 Turbo ($0.50/1M tokens).
For output processing, Claude 3 Opus ($75.00/1M tokens) is 50.0x more expensive than GPT-3.5 Turbo ($1.50/1M tokens).
In conclusion, Claude 3 Opus is more expensive than GPT-3.5 Turbo.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude 3 Opus accepts 200,000 input tokens compared to GPT-3.5 Turbo's 16,385 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while GPT-3.5 Turbo is limited to 4,096 tokens.
Input capabilities
Documented input modalities across available providers
Claude 3 Opus supports multimodal inputs, whereas GPT-3.5 Turbo does not.
Claude 3 Opus can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude 3 Opus
GPT-3.5 Turbo
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 Opus was released on 2024-02-29, while GPT-3.5 Turbo was released on 2023-03-21.
Claude 3 Opus is 12 months newer than GPT-3.5 Turbo.
Feb 29, 2024
2.5 years ago
11mo newerMar 21, 2023
3.4 years ago
Knowledge Cutoff
When training data ends
GPT-3.5 Turbo has a documented knowledge cutoff of 2021-09-30, while Claude 3 Opus's cutoff date is not specified.
We can confirm GPT-3.5 Turbo's training data extends to 2021-09-30, but cannot make a direct comparison without Claude 3 Opus's cutoff date.
—
Sep 2021
Provider Availability
Claude 3 Opus is available from Anthropic, Bedrock, Google. GPT-3.5 Turbo is available from Azure, OpenAI.
Claude 3 Opus
GPT-3.5 Turbo
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3 Opus and GPT-3.5 Turbo side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3 Opus vs GPT-3.5 Turbo.