Claude 2.1 vs Command A: price, context and capabilities

Choose Command A for very long inputs and the latest release; on the other points the two are level or the data is missing.

In short

  • Claude 2.1 has been retired; Command A is the one you can still call.
  • A price comparison is not possible: one of them has no comparable published price.
  • Command A reads more per request: 256k tokens against 200k.
  • Command A is the newer model (March 2025, against November 2023).
  • Only Command A offers tool calling, structured output.

Open in the full comparison table

Which should you choose?

Each answer below comes straight from the published prices, specifications and independent benchmark results.

Very long inputs

Choose Command A

Command A reads up to 256k tokens per request, against 200k for Claude 2.1.

Latest release

Choose Command A

Command A is the newer release (March 2025, against November 2023 for Claude 2.1).

Specifications side by side

Claude 2.1Command A
ProviderAnthropicCohere
CategoryLanguage modelsLanguage models
StatusRetiredGenerally available
Headline priceNo dataNo data
InputNo dataNo data
OutputNo dataNo data
Cached inputNo dataNo data
Context window200k256k
Max outputNo dataNo data
ReleasedNovember 2023March 2025
Knowledge cutoffNo dataNo data
LicenceProprietaryProprietary
CapabilitiesNo dataTool calling, Structured output
API model idclaude-2.1command-a-03-2025

Benchmarks side by side

Leader in bold.

BenchmarkClaude 2.1Command A
Terminal-Bench Hard No data 0.8%
GPQA Diamond No data 52.7%
Humanity's Last Exam No data 4%
IFBench (instruction following) No data 36.5%
τ²-Bench (agentic tool use) No data 15.2%
Long-context reasoning (AA-LCR) No data 21.3%

Independent evaluations by Artificial Analysis, run the same way for every model, at the reasoning setting shown. Percentages unless marked as an index.

Frequently asked questions

Should I choose Claude 2.1 or Command A?

Choose Command A for very long inputs and the latest release; on the other points the two are level or the data is missing.

Which is cheaper, Claude 2.1 or Command A?

A price comparison is not possible: one of them has no comparable published price.

Which has the larger context window, Claude 2.1 or Command A?

Command A reads more per request: 256k tokens against 200k.

What is the difference between Claude 2.1 and Command A?

Claude 2.1 is made by Anthropic and Command A by Cohere. Claude 2.1 has been retired; Command A is the one you can still call. A price comparison is not possible: one of them has no comparable published price. Command A reads more per request: 256k tokens against 200k. Command A is the newer model (March 2025, against November 2023). Only Command A offers tool calling, structured output.

Which is newer, Claude 2.1 or Command A?

Command A was released on March 2025 and Claude 2.1 on November 2023.