Claude Opus 5.5 vs Command A+
Detailed technical comparison between Claude Opus 5.5 (Anthropic) and Command A+ (Cohere). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
Claude Opus 5.5
1,000,000 tokensTie
Equal CapabilityTie
Equal SpeedCommand A+
$2.50 / MTokClaude Opus 5.5
Claude Opus 5.5 is an advanced artificial intelligence model engineered by Anthropic. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Claude Opus 5.5 represents a key architectural iteration in the Anthropic model family. First released in 2026-09-22, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,000,000 tokens (approximately 1,333 words), Claude Opus 5.5 processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Command A+
Command A+ is an advanced artificial intelligence model engineered by Cohere. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Command A+ represents a key architectural iteration in the Cohere model family. First released in 2026-09-22, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 192,000 tokens (approximately 256 words), Command A+ processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Technical Specifications
🏆 = Superior Spec| Specification | Claude Opus 5.5 | Command A+ |
|---|---|---|
| Provider | Anthropic | Cohere |
| Context Window | 1,000,000 tokens🏆 | 192,000 tokens |
| Agent Suitability | Not yet benchmarked | Not yet benchmarked |
| Time to First Token (TTFT) | No public TTFT data | No public TTFT data |
| Deployment Model | managed api | managed api |
| Production Stability | Beta Access (est.) | Stable GA (est.) |
| API Available | Yes | Yes |
| Released Date | 2026-09-22 | 2026-09-22 |
API Pricing Comparison
Input Price per Million Tokens
Claude Opus 5.5
$4.00
Command A+
$2.50
Output Price per Million Tokens
Claude Opus 5.5
$20.00
Command A+
$10.00
💡 Cost Ratio: Command A+ is 1.6x cheaper per input token than Claude Opus 5.5.
Want to test both models live?
Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
Claude Opus 5.5 Quirks & Gotchas
No developer gotchas reported.
Command A+ Quirks & Gotchas
No developer gotchas reported.
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