Very long inputs
Choose Grok 4.3
Grok 4.3 reads up to 1M tokens per request, against 128k for Command A+.
Choose Command A+ for the latest release. Choose Grok 4.3 for very long inputs, the hardest reasoning tasks, agentic coding, tool use and support agents and reasoning over long documents.
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Choose Grok 4.3
Grok 4.3 reads up to 1M tokens per request, against 128k for Command A+.
Choose Grok 4.3
Grok 4.3 scores 24.9 on the Artificial Analysis Intelligence Index, against 13.1 for Command A+.
Choose Grok 4.3
Grok 4.3 scores 37.9% on Terminal-Bench Hard, against 25% for Command A+.
Choose Grok 4.3
Grok 4.3 scores 97.7% on τ²-Bench (agentic tool use), against 80.7% for Command A+.
Choose Grok 4.3
Grok 4.3 scores 73% on Long-context reasoning (AA-LCR), against 52.7% for Command A+.
Choose Command A+
Command A+ is the newer release (May 2026, against Apr 30, 2026 for Grok 4.3).
| Command A+ | Grok 4.3 | |
|---|---|---|
| Provider | Cohere | xAI |
| Category | Language models | Language models |
| Status | Generally available | Generally available |
| Headline price | No data | $1.56 / 1M tokens |
| Input | No data | $1.25 / 1M tokens |
| Output | No data | $2.50 / 1M tokens |
| Cached input | No data | $0.20 / 1M tokens |
| Context window | 128k | 1M |
| Max output | No data | No data |
| Released | May 2026 | Apr 30, 2026 |
| Knowledge cutoff | No data | No data |
| Licence | Proprietary | Proprietary |
| Capabilities | Vision, Tool calling, Structured output | Vision, Reasoning, Tool calling, Structured output, Prompt caching, Batch API |
| API model id | command-a-plus-05-2026 | grok-4.3 |
Leader in bold.
| Benchmark | Command A+ | Grok 4.3 |
|---|---|---|
| Intelligence Index | 13.1 | 24.9 |
| Terminal-Bench Hard | 25% | 37.9% |
| SciCode | 38.5% | 48.3% |
| GPQA Diamond | 76.1% | 90.1% |
| Humanity's Last Exam | 12% | 37.2% |
| IFBench (instruction following) | 73.9% | 81.3% |
| τ²-Bench (agentic tool use) | 80.7% | 97.7% |
| MMMU-Pro (visual reasoning) | 63.2% | 78.1% |
| Long-context reasoning (AA-LCR) | 52.7% | 73% |
Independent evaluations by Artificial Analysis, run the same way for every model, at the reasoning setting shown. Percentages unless marked as an index.
Choose Command A+ for the latest release. Choose Grok 4.3 for very long inputs, the hardest reasoning tasks, agentic coding, tool use and support agents and reasoning over long documents.
A price comparison is not possible: one of them has no comparable published price.
Grok 4.3 reads more per request: 1M tokens against 128k.
Command A+ is made by Cohere and Grok 4.3 by xAI. A price comparison is not possible: one of them has no comparable published price. Grok 4.3 reads more per request: 1M tokens against 128k. Command A+ is the newer model (May 2026, against Apr 30, 2026). Only Grok 4.3 offers reasoning, prompt caching, batch api.
Grok 4.3 scores 37.9% on Terminal-Bench Hard, against 25% for Command A+.
Command A+ was released on May 2026 and Grok 4.3 on Apr 30, 2026.