Hermes 4 405B vs MiMo-V2-Pro vs Relace Search
MiMo-V2-Pro comes out ahead, 42 to 35 and 35 on our weighted score.
Nous ResearchHermes 4 405B
35/100- ECI—
- Price$1.00 / $3.00
- Context131K
- Our pick
XiaomiMiMo-V2-Pro
42/100- ECI—
- Price$1.00 / $3.00
- Context1.05M
Relace
Relace Search
35/100- ECI—
- Price$1.00 / $3.00
- Context256K
MiMo-V2-Pro is our pick
MiMo-V2-Pro is the better all-round choice, scoring 42/100 against Hermes 4 405B (35) and Relace Search (35). It leads on context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceSame priceHermes 4 405B $1.50 · MiMo-V2-Pro $1.50 · Relace Search $1.50 per 1M tokens (3:1 blend)
- Longest contextMiMo-V2-ProMiMo-V2-Pro 1,048,576 · Relace Search 256,000 · Hermes 4 405B 131,072 tokens
- Widest inputsSame inputsHermes 4 405B: Text · MiMo-V2-Pro: Text · Relace Search: Text
- Self-hostingHermes 4 405BPublishes downloadable weights
| Measure | Weight | Hermes 4 405B | MiMo-V2-Pro | Relace Search |
|---|---|---|---|---|
| Price | 50% | 40 | 40 | 40 |
| Inputs & features | 30% | 35 | 35 | 25 |
| Context window | 20% | 25 | 61 | 36 |
| Overall | 100% | 35/100 | 42/100 | 35/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Hermes 4 405BNous Research | MiMo-V2-ProXiaomi | Relace SearchRelace |
|---|---|---|---|
| Capability | |||
| Capabilities Index (ECI) | — | — | — |
| ECI rank | — | — | — |
| Price per million tokens | |||
| Input | $1.00 | $1.00 | $1.00 |
| Output | $3.00 | $3.00 | $3.00 |
| Cached input | — | — | — |
| Blended (3:1) | $1.50 | $1.50 | $1.50 |
| Long-context rate | Same rate | Same rate | Same rate |
| Price source | Median of 5 providers | Median of 1 providers | Median of 3 providers |
| Limits | |||
| Context window | 131,072 tokens | 1,048,576 tokens (best) | 256,000 tokens |
| Max output | 117,964 tokens | 131,072 tokens (best) | 128,000 tokens |
| Inputs and features | |||
| Text | Yes | Yes | Yes |
| Images | No | No | No |
| PDFs | No | No | No |
| Audio | No | No | No |
| Video | No | No | No |
| Reasoning | Yes | Yes | No |
| Tool calling | Yes | Yes | Yes |
| Structured output | No | No | No |
| Availability | |||
| Weights | Open | Proprietary | Proprietary |
| API model ID | — | — | — |
| API providers | 5 (best) | 2 | 3 |
| Released | Aug 26, 2025 | Mar 18, 2026 | Dec 8, 2025 |
| Knowledge cutoff | Aug 31, 2024 | Dec 2024 | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Hermes 4 405B$16.00
- MiMo-V2-Pro$16.00
- Relace Search$16.00
Which should you choose?
Which is better: Hermes 4 405B, MiMo-V2-Pro or Relace Search?
MiMo-V2-Pro is the better all-round choice, scoring 42/100 against Hermes 4 405B (35) and Relace Search (35). It leads on context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Hermes 4 405B, MiMo-V2-Pro or Relace Search?
Hermes 4 405B, MiMo-V2-Pro and Relace Search cost the same: $1.00 input / $3.00 output per million tokens.
Which scores higher on benchmarks?
There is no independent benchmark that covers all three models yet. Hermes 4 405B has not been scored yet, MiMo-V2-Pro has not been scored yet and Relace Search has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Hermes 4 405B, MiMo-V2-Pro and Relace Search yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.
Which has the bigger context window?
MiMo-V2-Pro has the largest context window at 1,048,576 tokens, against 256,000 for Relace Search and 131,072 for Hermes 4 405B. Maximum output per response: Hermes 4 405B up to 117,964, MiMo-V2-Pro up to 131,072, Relace Search up to 128,000 tokens.
Which can read images, PDFs, audio or video?
Hermes 4 405B accepts text; MiMo-V2-Pro accepts text; Relace Search accepts text. They handle the same number of input types.
Are any of these open source?
Hermes 4 405B publishes its weights and can be self-hosted; MiMo-V2-Pro and Relace Search is proprietary.
Which is newer?
MiMo-V2-Pro is the newest, released Mar 18, 2026. Relace Search came out Dec 8, 2025; Hermes 4 405B came out Aug 26, 2025. Knowledge cutoff: Hermes 4 405B Aug 31, 2024, MiMo-V2-Pro Dec 2024.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Nov 2, 2026.
