Data points: 80
The readout for MiniMax M2.5 and Step 3.5 Flash, before the detailed comparison sheet.
Decision read
MiniMax M2.5
MiniMax M2.5 currently has the stronger profile, with verified wins split 4 to 2.
Evidence depth
80 data points
Includes 8 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with MiniMax M2.5
The charts below split 16 high-signal samples across speed, scores, and audit health.
Model compare MiniMax M2.5 vs Step 3.5 Flashminimax-m2-5-vs-step-3-5-flash | Model A MiniMax M2.5 | Model B Step 3.5 Flash |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 2 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | MiniMax M2.5 | Step 3.5 Flash |
|---|---|---|
| Output price | $1.20/M#18 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | MiniMax M2.5 | Step 3.5 Flash |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | MiniMax M2.5 | Step 3.5 Flash |
|---|---|---|
55 tests | MiniMax M2.5 speed / latency 79 tok/s / 3192ms input / output No data |
This report only uses LMSpeed data for MiniMax M2.5 and Step 3.5 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | MiniMax M2.5 | Step 3.5 Flash |
|---|---|---|
| When to choose each model | MiniMax M2.5 MiniMax M2.5 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Step 3.5 Flash Step 3.5 Flash is stronger when you prioritize Average speed, First-token latency. |
TL;DR: MiniMax M2.5 leads across 80 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from MiniMax M2.5 vs Step 3.5 Flash into nearby model comparisons with enough verified LMSpeed data.
| Average speed, First-token latency |
| Model metadata | MiniMax M2.5 exposes 204.8K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. | Step 3.5 Flash exposes 262.1K tokens; notable signals: Text input, Text output, Tool calling, JSON mode. |
|---|---|---|
| Developer | No data | No data |
| Context window | 204.8K tokens | 262.1K tokens |
| Max output | 196.6K tokens | 16.4K tokens |
| Released | Feb 2026 | Jan 2026 |
| Modalities | Input Text Output Text | Input Text Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Other | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | minimax/minimax-m2.5 | stepfun/step-3.5-flash |
| References | No data | No data |
| Input price | $0.300/M#15 | $0.100/M#6 |
|---|
| Blended price | $0.525/M#25 | $0.150/M#8 |
|---|
| Output speed | 191.4 tok/s#13 | 215.0 tok/s#9 |
|---|
| Time to first token | 9.49 s#88 | 0.85 s#30 |
|---|
| GPQA | 84.8%#33 | 82.6%#46 |
|---|
| SciCode | 42.6%#33 | 38.5%#55 |
|---|
| HLE | 19.1%#42 | 22.6%#34 |
|---|
Step 3.5 Flash
speed / latency
82 tok/s / 4793ms
input / output
No data
OpenRouter40 tests | MiniMax M2.5 speed / latency N/A / N/A input / output No data | Step 3.5 Flash speed / latency 100 tok/s / 6815ms input / output No data |
|---|
SiliconFlow35 tests | MiniMax M2.5 speed / latency 69 tok/s / 9279ms input / output No data | Step 3.5 Flash speed / latency 84 tok/s / 3375ms input / output No data |
|---|
星见雅 API20 tests | MiniMax M2.5 英伟达/minimaxai/minimax-m2.5 speed / latency 71 tok/s / 8578ms input / output $0/M / $0/M | Step 3.5 Flash 英伟达/stepfun-ai/step-3.5-flash speed / latency N/A / N/A input / output $0/M / $0/M |
|---|
云智API10 tests | MiniMax M2.5 speed / latency N/A / N/A input / output No data | Step 3.5 Flash speed / latency 176 tok/s / 6154ms input / output No data |
|---|
MiniMax M2.5 minimaxai/minimax-m2.5 speed / latency No data input / output $0/M / $0/M | Step 3.5 Flash stepfun-ai/Step-3.5-Flash speed / latency No data input / output $0.100/M / $0.300/M |
MiniMax M2.5 daipai/minimaxai/minimax-m2.5 speed / latency No data input / output $0.0010/M / $0.0010/M | Step 3.5 Flash Step-3.5-flash speed / latency No data input / output $0.0010/M / $0.0010/M |
MiniMax M2.5 minimax-m2.5 speed / latency No data input / output $0.021/M / $0.082/M | Step 3.5 Flash step-3.5-flash speed / latency No data input / output $0.0066/M / $0.020/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
