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Claude Opus 4.6 vs Command R

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Opus 4.6 and Command R.

Anthropic

Claude Opus 4.6

Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...

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Cohere

Command R

Command R is Cohere's lightweight, cost-efficient model engineered for high-speed enterprise integrations, productivity automation, and retrieval-augmented generation (RAG) pipelines. Optimized for low-latency API tool use and structured JSON output, it is particularly effective in enterprise search and question-answering systems where fast, reliable responses are critical. With a 128,000-token context window and a price of $0.15/MTok for input, Command R provides strong RAG performance and multilingual support at a fraction of the cost of Command R+, making it the preferred choice for teams scaling intelligent document retrieval at high request volumes.

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Technical Specifications

SpecificationClaude Opus 4.6Command R
ProviderAnthropicCohere
Context Window1,000,000 tokens128,000 tokens
Agent Suitability95/10078/100
Time to First Token (TTFT)500 ms200 ms
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2026-02-042024-03-11

API Pricing Comparison

Input Price per Million Tokens

Claude Opus 4.6

$5.00

Command R

$0.15

Output Price per Million Tokens

Claude Opus 4.6

$25.00

Command R

$0.60

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
9250.0%vs7100.0%
Claude Opus 4.6
Command R
HumanEvalPython coding & logic synthesis
9450.0%vs7300.0%
Claude Opus 4.6
Command R
MATHComplex mathematical problem solving
8890.0%vs5400.0%
Claude Opus 4.6
Command R
GPQAGraduate-level expert reasoning
7980.0%vs3500.0%
Claude Opus 4.6
Command R
HellaSwagCommonsense reasoning and inference
9750.0%vs7800.0%
Claude Opus 4.6
Command R
MT-BenchMulti-turn conversation flow quality
965.0%vs750.0%
Claude Opus 4.6
Command R

Claude Opus 4.6 Quirks & Gotchas

  • Best for long-context document analysis and legal review
  • Tool calling requires structured prompt — prone to verbose refusal without explicit output schema

Command R Quirks & Gotchas

  • Cost-effective RAG model — strong multilingual search performance
  • Limited agentic capability — use Command R+ for complex multi-step tool use