Claude Opus 4 vs GPT-4o mini
Claude Opus 4 leads the LLM Stats Score 27.8 to 3.8. GPT-4o mini is 114.3x cheaper per token.
Anthropic · OpenAI · Updated for 2026
Which is better?
Claude Opus 4 leads the overall LLM Stats Score 27.8 to 3.8, ranking #130 overall.
In the 2 individual benchmarks reported for both models, Claude Opus 4 wins 2; this is a narrower head-to-head signal than the composite indexes.
On price, GPT-4o mini is roughly 114.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude Opus 4 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 Opus 4
- overall performance matters — it scores 27.8 and ranks #130 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
- you process long inputs — it offers a 200,000 token context window
- you want the most recent training data — it shipped May 2025
Choose GPT-4o mini
- cost matters — it's about 114.3x cheaper per token
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for Claude Opus 4 · 9 for GPT-4o mini
Claude Opus 4 outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while GPT-4o mini is better at 0 benchmarks.
Claude Opus 4 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 Opus 4 ($15.00/1M tokens) is 100.0x more expensive than GPT-4o mini ($0.15/1M tokens).
For output processing, Claude Opus 4 ($75.00/1M tokens) is 125.0x more expensive than GPT-4o mini ($0.60/1M tokens).
In conclusion, Claude Opus 4 is more expensive than GPT-4o mini.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Opus 4 accepts 200,000 input tokens compared to GPT-4o mini's 128,000 tokens. Claude Opus 4 can generate longer responses up to 32,000 tokens, while GPT-4o mini is limited to 16,384 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Opus 4 and GPT-4o mini support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Opus 4
GPT-4o mini
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 Opus 4 was released on 2025-05-22, while GPT-4o mini was released on 2024-07-18.
Claude Opus 4 is 10 months newer than GPT-4o mini.
May 22, 2025
1.3 years ago
10mo newerJul 18, 2024
2.1 years ago
Knowledge Cutoff
When training data ends
GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while Claude Opus 4's cutoff date is not specified.
We can confirm GPT-4o mini's training data extends to 2023-10-01, but cannot make a direct comparison without Claude Opus 4's cutoff date.
—
Oct 2023
Provider Availability
Claude Opus 4 is available from Anthropic, Bedrock, Google. GPT-4o mini is available from Azure.
Claude Opus 4
GPT-4o mini
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Opus 4 and GPT-4o mini side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Opus 4 vs GPT-4o mini.