Claude Opus 4.5 vs MiniMax M2.1: Specs & Benchmark Comparison
| Characteristic | Claude Opus 4.5 | MiniMax M2.1 |
|---|---|---|
| Company | Anthropic | MiniMax |
| Release Date | November 23, 2025 | December 22, 2025 |
| Parameters | — | — |
| Multimodal | Yes | No |
| Context (input) | 200K | 1.0M |
| Context (output) | 64K | 100K |
| Input Price / 1M | $5.00 | $0.30 |
| Output Price / 1M | $25.00 | $1.20 |
| Average Score | 0.9 | 0.9 |
| Benchmarks | ||
| GPQA | 0.9 | 0.8 |
Visual Benchmark Comparison
Claude Opus 4.5
MiniMax M2.1
GPQA0.9 vs 0.8
0.9
0.8
Verdict
MiniMax M2.1 leads in 3 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Opus 4.5 — 0.9, MiniMax M2.1 — 0.9.
API Cost
MiniMax M2.1 is 20.0x cheaper: input $0.30/1M vs $5.00/1M tokens.
Context Window
MiniMax M2.1 supports a larger context: 1M vs 200K tokens.
Recency
MiniMax M2.1 is newer: released 12/22/2025 vs 11/23/2025.
More About These Models
Related Comparisons
The Claude Opus 4.5 and MiniMax M2.1 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Opus 4.5 or MiniMax M2.1 page. See also the complete list of AI model comparisons.