Model Comparison

ChatGPT-4o Latest vs Claude Opus 4.1

ChatGPT-4o Latest significantly outperforms across most benchmarks. ChatGPT-4o Latest is 6.9x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

ChatGPT-4o Latest outperforms in 1 benchmarks (GPQA), while Claude Opus 4.1 is better at 0 benchmarks.

ChatGPT-4o Latest significantly outperforms across most benchmarks.

Thu Apr 16 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

ChatGPT-4o Latest costs less

For input processing, ChatGPT-4o Latest ($2.50/1M tokens) is 6.0x cheaper than Claude Opus 4.1 ($15.00/1M tokens).

For output processing, ChatGPT-4o Latest ($10.00/1M tokens) is 7.5x cheaper than Claude Opus 4.1 ($75.00/1M tokens).

In conclusion, Claude Opus 4.1 is more expensive than ChatGPT-4o Latest.*

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

Lowest available price from all providers
Thu Apr 16 2026 • llm-stats.com
OpenAI
ChatGPT-4o Latest
Input tokens$2.50
Output tokens$10.00
Best providerOpenAI
Anthropic
Claude Opus 4.1
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 4.1 accepts 200,000 input tokens compared to ChatGPT-4o Latest's 128,000 tokens. Claude Opus 4.1 can generate longer responses up to 32,000 tokens, while ChatGPT-4o Latest is limited to 16,384 tokens.

OpenAI
ChatGPT-4o Latest
Input128,000 tokens
Output16,384 tokens
Anthropic
Claude Opus 4.1
Input200,000 tokens
Output32,000 tokens
Thu Apr 16 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both ChatGPT-4o Latest and Claude Opus 4.1 support multimodal inputs.

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

ChatGPT-4o Latest

Text
Images
Audio
Video

Claude Opus 4.1

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.

ChatGPT-4o Latest

Proprietary

Closed source

Claude Opus 4.1

Proprietary

Closed source

Release Timeline

When each model was launched

ChatGPT-4o Latest was released on 2024-05-13, while Claude Opus 4.1 was released on 2025-08-05.

Claude Opus 4.1 is 15 months newer than ChatGPT-4o Latest.

ChatGPT-4o Latest

May 13, 2024

1.9 years ago

Claude Opus 4.1

Aug 5, 2025

8 months ago

1.2yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

ChatGPT-4o Latest is available from OpenAI. Claude Opus 4.1 is available from Anthropic, Bedrock, Google.

ChatGPT-4o Latest

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

Claude Opus 4.1

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (84.0% vs 80.9%)
Anthropic
Larger context window (200,000 tokens)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
ChatGPT-4o Latest
Anthropic
Claude Opus 4.1

FAQ

Common questions about ChatGPT-4o Latest vs Claude Opus 4.1

ChatGPT-4o Latest significantly outperforms across most benchmarks. ChatGPT-4o Latest is made by OpenAI and Claude Opus 4.1 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
ChatGPT-4o Latest scores GPQA: 84.0%. Claude Opus 4.1 scores MMMLU: 89.5%, TAU-bench Retail: 82.4%, GPQA: 80.9%, AIME 2025: 78.0%, MMMU (validation): 77.1%.
ChatGPT-4o Latest is 6.0x cheaper for input tokens. ChatGPT-4o Latest costs $2.50/M input and $10.00/M output via openai. Claude Opus 4.1 costs $15.00/M input and $75.00/M output via anthropic.
ChatGPT-4o Latest supports 128K tokens and Claude Opus 4.1 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (128K vs 200K), input pricing ($2.50 vs $15.00/M). See the full comparison above for benchmark-by-benchmark results.
ChatGPT-4o Latest is developed by OpenAI and Claude Opus 4.1 is developed by Anthropic.