Model Comparison

Command R+ vs GPT-4.5Which is better in 2026?

GPT-4.5 significantly outperforms across most benchmarks. Command R+ is 214.3x cheaper per token.

Verdict: Command R+ vs GPT-4.5 — which is better?

Command R+ (by Cohere) and GPT-4.5 (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Command R+ outperforms in 0 benchmarks, while GPT-4.5 is better at 2 benchmarks (GSM8k, MMLU). GPT-4.5 significantly outperforms across most benchmarks.

On price, Command R+ is roughly 214.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Choose Command R+ if…

  • cost matters — it's about 214.3x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose GPT-4.5 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Feb 2025
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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Command R+ outperforms in 0 benchmarks, while GPT-4.5 is better at 2 benchmarks (GSM8k, MMLU).

GPT-4.5 significantly outperforms across most benchmarks.

Thu Jun 11 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Command R+ costs less

For input processing, Command R+ ($0.25/1M tokens) is 300.0x cheaper than GPT-4.5 ($75.00/1M tokens).

For output processing, Command R+ ($1.00/1M tokens) is 150.0x cheaper than GPT-4.5 ($150.00/1M tokens).

In conclusion, GPT-4.5 is more expensive than Command R+.*

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

Lowest available price from all providers
Thu Jun 11 2026 • llm-stats.com
Cohere
Command R+
Input tokens$0.25
Output tokens$1.00
Best providerCohere
OpenAI
GPT-4.5
Input tokens$75.00
Output tokens$150.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Both models have the same input context window of 128,000 tokens. Command R+ can generate longer responses up to 128,000 tokens, while GPT-4.5 is limited to 4,096 tokens.

Cohere
Command R+
Input128,000 tokens
Output128,000 tokens
OpenAI
GPT-4.5
Input128,000 tokens
Output4,096 tokens
Thu Jun 11 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4.5 supports multimodal inputs, whereas Command R+ does not.

GPT-4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Command R+

Text
Images
Audio
Video

GPT-4.5

Text
Images
Audio
Video

License

Usage and distribution terms

Command R+ is licensed under CC BY-NC, while GPT-4.5 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Command R+

CC BY-NC

Open weights

GPT-4.5

Proprietary

Closed source

Release Timeline

When each model was launched

Command R+ was released on 2024-08-30, while GPT-4.5 was released on 2025-02-27.

GPT-4.5 is 6 months newer than Command R+.

Command R+

Aug 30, 2024

1.8 years ago

GPT-4.5

Feb 27, 2025

1.3 years ago

6mo 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

Command R+ is available from Cohere, Bedrock. GPT-4.5 is available from OpenAI.

Command R+

cohere logo
Cohere
Input Price:Input: $0.25/1MOutput Price:Output: $1.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

GPT-4.5

openai logo
OpenAI
Input Price:Input: $75.00/1MOutput Price:Output: $150.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Cohere
Less expensive input tokens
Less expensive output tokens
Has open weights
OpenAI
Supports multimodal inputs
Higher GSM8k score (97.0% vs 70.7%)
Higher MMLU score (90.8% vs 75.7%)

Detailed Comparison

AI Model Comparison Table
Feature
Cohere
Command R+
OpenAI
GPT-4.5

FAQ

Common questions about Command R+ vs GPT-4.5.

Which is better, Command R+ or GPT-4.5?

GPT-4.5 significantly outperforms across most benchmarks. Command R+ is made by Cohere and GPT-4.5 is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Command R+ compare to GPT-4.5 in benchmarks?

Command R+ scores HellaSwag: 88.6%, Winogrande: 85.4%, MMLU: 75.7%, ARC-C: 71.0%, GSM8k: 70.7%. GPT-4.5 scores GSM8k: 97.0%, MMLU: 90.8%, CharXiv-D: 90.0%, IFEval: 88.2%, HumanEval: 88.0%.

Is Command R+ cheaper than GPT-4.5?

Command R+ is 300.0x cheaper for input tokens. Command R+ costs $0.25/M input and $1.00/M output via cohere. GPT-4.5 costs $75.00/M input and $150.00/M output via openai.

What are the context window sizes for Command R+ and GPT-4.5?

Command R+ supports 128K tokens and GPT-4.5 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Command R+ and GPT-4.5?

Key differences include input pricing ($0.25 vs $75.00/M), multimodal support (no vs yes), licensing (CC BY-NC vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Command R+ and GPT-4.5?

Command R+ is developed by Cohere and GPT-4.5 is developed by OpenAI.

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