Models, measured side by side
Claude Opus 5.5 vs Command A+
Compare Claude Opus 5.5, Command A+ by token pricing, context length, benchmark results, speed and tool support.
Monthly workload
Monthly cost breakdown
InputOutput
Claude Opus 5.5
$180 / mo
Command A+
$14 / mo
Performance comparison
Claude Opus 5.5
57.6
Command A+
13.1
Overview
Pricing & capacity
| Pricing & capacity | Claude Opus 5.5 | Command A+ |
|---|---|---|
| Input / 1M tokens | $4.00 | $0.30 |
| Output / 1M tokens | $20 | $1.50 |
| Cached input / 1M | $0.20 | $0.15 |
| Monthly cost | $180 | $14 |
| Context window | 1M | 192K |
| Maximum output | 128K | 64K |
Input / 1M tokens
- Claude Opus 5.5
- $4.00
- Command A+
- $0.30
Output / 1M tokens
- Claude Opus 5.5
- $20
- Command A+
- $1.50
Cached input / 1M
- Claude Opus 5.5
- $0.20
- Command A+
- $0.15
Monthly cost
- Claude Opus 5.5
- $180
- Command A+
- $14
Context window
- Claude Opus 5.5
- 1M
- Command A+
- 192K
Maximum output
- Claude Opus 5.5
- 128K
- Command A+
- 64K
Benchmarks & performance
| Benchmarks & performance | Claude Opus 5.5 | Command A+ |
|---|---|---|
| Intelligence Index | 57.6 | 13.1 |
| GPQA | Not listed | 76.1% |
| Humanity’s Last Exam | 61.4% | 12% |
| SciCode | 66.9% | 38.5% |
| Output speed | 91 tokens/s | 156 tokens/s |
| Time to first token | 755.54 s | 0.49 s |
| DesignArena rating | 1,407 | Not listed |
| DesignArena win rate | 65.3% | Not listed |
Intelligence Index
- Claude Opus 5.5
- 57.6
- Command A+
- 13.1
GPQA
- Claude Opus 5.5
- Not listed
- Command A+
- 76.1%
Humanity’s Last Exam
- Claude Opus 5.5
- 61.4%
- Command A+
- 12%
SciCode
- Claude Opus 5.5
- 66.9%
- Command A+
- 38.5%
Output speed
- Claude Opus 5.5
- 91 tokens/s
- Command A+
- 156 tokens/s
Time to first token
- Claude Opus 5.5
- 755.54 s
- Command A+
- 0.49 s
DesignArena rating
- Claude Opus 5.5
- 1,407
- Command A+
- Not listed
DesignArena win rate
- Claude Opus 5.5
- 65.3%
- Command A+
- Not listed
Tools & features
| Tools & features | Claude Opus 5.5 | Command A+ |
|---|---|---|
| Function calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Deterministic seed | Not listed | Supported |
| Prompt caching | Supported | Supported |
Function calling
- Claude Opus 5.5
- Supported
- Command A+
- Supported
Structured outputs
- Claude Opus 5.5
- Supported
- Command A+
- Supported
JSON mode
- Claude Opus 5.5
- Supported
- Command A+
- Supported
Reasoning
- Claude Opus 5.5
- Supported
- Command A+
- Supported
Deterministic seed
- Claude Opus 5.5
- Not listed
- Command A+
- Supported
Prompt caching
- Claude Opus 5.5
- Supported
- Command A+
- Supported
API & availability
| API & availability | Claude Opus 5.5 | Command A+ |
|---|---|---|
| API identifier | claude-opus-5.5 | command-a-plus |
| Prices checked | Oct 8, 2026 | Oct 8, 2026 |
API identifier
- Claude Opus 5.5
claude-opus-5.5- Command A+
command-a-plus
Prices checked
- Claude Opus 5.5
- Oct 8, 2026
- Command A+
- Oct 8, 2026
About the models
Claude Opus 5.5
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
Full pricing & detailsCommand A+
Command A+ is Cohere's flagship model for enterprise agentic workflows. It accepts text and image inputs with a 192K context window, supports native tool calling with strict tool schemas, structured...
Full pricing & detailsComparison FAQ
Claude Opus 5.5: $4.00 input and $20 output per million tokens. Command A+: $0.30 input and $1.50 output per million tokens. The cheaper choice depends on your input-to-output ratio; a model can have a lower input rate but a higher output rate.