Model Comparison

Command R+ vs Step-3.5-Flash

Comparing Command R+ and Step-3.5-Flash across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Command R+ and Step-3.5-Flash don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Step-3.5-Flash costs less

For input processing, Command R+ ($0.25/1M tokens) is 2.5x more expensive than Step-3.5-Flash ($0.10/1M tokens).

For output processing, Command R+ ($1.00/1M tokens) is 2.5x more expensive than Step-3.5-Flash ($0.40/1M tokens).

In conclusion, Command R+ is more expensive than Step-3.5-Flash.*

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

Lowest available price from all providers
Wed Apr 15 2026 • llm-stats.com
Cohere
Command R+
Input tokens$0.25
Output tokens$1.00
Best providerCohere
StepFun
Step-3.5-Flash
Input tokens$0.10
Output tokens$0.40
Best providerStepFun
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

92.0B diff

Step-3.5-Flash has 92.0B more parameters than Command R+, making it 88.5% larger.

Cohere
Command R+
104.0Bparameters
StepFun
Step-3.5-Flash
196.0Bparameters
104.0B
Command R+
196.0B
Step-3.5-Flash

Context Window

Maximum input and output token capacity

Command R+ accepts 128,000 input tokens compared to Step-3.5-Flash's 65,536 tokens. Command R+ can generate longer responses up to 128,000 tokens, while Step-3.5-Flash is limited to 8,192 tokens.

Cohere
Command R+
Input128,000 tokens
Output128,000 tokens
StepFun
Step-3.5-Flash
Input65,536 tokens
Output8,192 tokens
Wed Apr 15 2026 • llm-stats.com

License

Usage and distribution terms

Command R+ is licensed under CC BY-NC, while Step-3.5-Flash uses Apache 2.0.

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

Command R+

CC BY-NC

Open weights

Step-3.5-Flash

Apache 2.0

Open weights

Release Timeline

When each model was launched

Command R+ was released on 2024-08-30, while Step-3.5-Flash was released on 2026-02-02.

Step-3.5-Flash is 17 months newer than Command R+.

Command R+

Aug 30, 2024

1.6 years ago

Step-3.5-Flash

Feb 2, 2026

2 months ago

1.4yr 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. Step-3.5-Flash is available from StepFun.

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

Step-3.5-Flash

stepfun logo
StepFun
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Cohere
Larger context window (128,000 tokens)
StepFun
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
Cohere
Command R+
StepFun
Step-3.5-Flash

FAQ

Common questions about Command R+ vs Step-3.5-Flash

Command R+ (Cohere) and Step-3.5-Flash (StepFun) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.
Command R+ scores HellaSwag: 88.6%, Winogrande: 85.4%, MMLU: 75.7%, ARC-C: 71.0%, GSM8k: 70.7%. Step-3.5-Flash scores AIME 2025: 97.3%, Tau-bench: 88.2%, LiveCodeBench v6: 86.4%, IMO-AnswerBench: 85.4%, SWE-Bench Verified: 74.4%.
Step-3.5-Flash is 2.5x cheaper for input tokens. Command R+ costs $0.25/M input and $1.00/M output via cohere. Step-3.5-Flash costs $0.10/M input and $0.40/M output via stepfun.
Command R+ supports 128K tokens and Step-3.5-Flash supports 66K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (128K vs 66K), input pricing ($0.25 vs $0.10/M), licensing (CC BY-NC vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.
Command R+ is developed by Cohere and Step-3.5-Flash is developed by StepFun.