Models, measured side by side
Claude Opus 5.5 vs MiniMax M3
Compare Claude Opus 5.5, MiniMax M3 by token pricing, context length, benchmark results, speed and tool support.
Monthly workload
Monthly cost breakdown
InputOutput
Claude Opus 5.5
$180 / mo
MiniMax M3
$12 / mo
Performance comparison
Claude Opus 5.5
57.6
MiniMax M3
29.2
Overview
Pricing & capacity
| Pricing & capacity | Claude Opus 5.5 | MiniMax M3 |
|---|---|---|
| Input / 1M tokens | $4.00 | $0.30 |
| Output / 1M tokens | $20 | $1.20 |
| Cached input / 1M | $0.20 | $0.06 |
| Monthly cost | $180 | $12 |
| Context window | 1M | 1M |
| Maximum output | 128K | 512K |
Input / 1M tokens
- Claude Opus 5.5
- $4.00
- MiniMax M3
- $0.30
Output / 1M tokens
- Claude Opus 5.5
- $20
- MiniMax M3
- $1.20
Cached input / 1M
- Claude Opus 5.5
- $0.20
- MiniMax M3
- $0.06
Monthly cost
- Claude Opus 5.5
- $180
- MiniMax M3
- $12
Context window
- Claude Opus 5.5
- 1M
- MiniMax M3
- 1M
Maximum output
- Claude Opus 5.5
- 128K
- MiniMax M3
- 512K
Benchmarks & performance
| Benchmarks & performance | Claude Opus 5.5 | MiniMax M3 |
|---|---|---|
| Intelligence Index | 57.6 | 29.2 |
| GPQA | Not listed | 92.9% |
| Humanity’s Last Exam | 61.4% | 39% |
| SciCode | 66.9% | 47.1% |
| Output speed | 91 tokens/s | 97 tokens/s |
| Time to first token | 755.54 s | 2.03 s |
| DesignArena rating | 1,407 | 1,252 |
| DesignArena win rate | 65.3% | 50.9% |
Intelligence Index
- Claude Opus 5.5
- 57.6
- MiniMax M3
- 29.2
GPQA
- Claude Opus 5.5
- Not listed
- MiniMax M3
- 92.9%
Humanity’s Last Exam
- Claude Opus 5.5
- 61.4%
- MiniMax M3
- 39%
SciCode
- Claude Opus 5.5
- 66.9%
- MiniMax M3
- 47.1%
Output speed
- Claude Opus 5.5
- 91 tokens/s
- MiniMax M3
- 97 tokens/s
Time to first token
- Claude Opus 5.5
- 755.54 s
- MiniMax M3
- 2.03 s
DesignArena rating
- Claude Opus 5.5
- 1,407
- MiniMax M3
- 1,252
DesignArena win rate
- Claude Opus 5.5
- 65.3%
- MiniMax M3
- 50.9%
Tools & features
| Tools & features | Claude Opus 5.5 | MiniMax M3 |
|---|---|---|
| Function calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Log probabilities | Not listed | Supported |
| Deterministic seed | Not listed | Supported |
| Prompt caching | Supported | Supported |
Function calling
- Claude Opus 5.5
- Supported
- MiniMax M3
- Supported
Structured outputs
- Claude Opus 5.5
- Supported
- MiniMax M3
- Supported
JSON mode
- Claude Opus 5.5
- Supported
- MiniMax M3
- Supported
Reasoning
- Claude Opus 5.5
- Supported
- MiniMax M3
- Supported
Log probabilities
- Claude Opus 5.5
- Not listed
- MiniMax M3
- Supported
Deterministic seed
- Claude Opus 5.5
- Not listed
- MiniMax M3
- Supported
Prompt caching
- Claude Opus 5.5
- Supported
- MiniMax M3
- Supported
API & availability
| API & availability | Claude Opus 5.5 | MiniMax M3 |
|---|---|---|
| API identifier | claude-opus-5.5 | minimax-m3 |
| Prices checked | Oct 8, 2026 | Oct 8, 2026 |
API identifier
- Claude Opus 5.5
claude-opus-5.5- MiniMax M3
minimax-m3
Prices checked
- Claude Opus 5.5
- Oct 8, 2026
- MiniMax M3
- 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 & detailsMiniMax M3
MiniMax-M3 is a multimodal foundation model from MiniMax. It supports text, image, and video inputs with text output, a 1M-token context window, and is suited for long-horizon agentic work, coding,...
Full pricing & detailsComparison FAQ
Claude Opus 5.5: $4.00 input and $20 output per million tokens. MiniMax M3: $0.30 input and $1.20 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.