Palmyra X5 vs Hermes 4 405B
Palmyra X5 comes out ahead, 47 to 35 on our weighted score, though Hermes 4 405B is 23% cheaper per token.
- Our pick
Writer
Palmyra X5
47/100- ECI—
- Price$0.60 / $6.00
- Context1M
Nous ResearchHermes 4 405B
35/100- ECI—
- Price$1.00 / $3.00
- Context131K
Add a model
Make it a three-way comparison.
Palmyra X5 is our pick
Palmyra X5 is the better all-round choice, scoring 47/100 against Hermes 4 405B (35). It leads on inputs & features and context window. Hermes 4 405B wins on price. 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 priceHermes 4 405BHermes 4 405B $1.50 · Palmyra X5 $1.95 per 1M tokens (3:1 blend)
- Longest contextPalmyra X5Palmyra X5 1,000,000 · Hermes 4 405B 131,072 tokens
- Widest inputsPalmyra X5Palmyra X5: Text, Images · Hermes 4 405B: Text
- Self-hostingHermes 4 405BPublishes downloadable weights
| Measure | Weight | Palmyra X5 | Hermes 4 405B |
|---|---|---|---|
| Price | 50% | 35 | 40 |
| Inputs & features | 30% | 60 | 35 |
| Context window | 20% | 60 | 25 |
| Overall | 100% | 47/100 | 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 | Palmyra X5Writer | Hermes 4 405BNous Research |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $0.60 (best) | $1.00 |
| Output | $6.00 | $3.00 (best) |
| Cached input | — | — |
| Blended (3:1) | $1.95 | $1.50 (best) |
| Long-context rate | Same rate | Same rate |
| Price source | Median of 4 providers | Median of 5 providers |
| Limits | ||
| Context window | 1,000,000 tokens (best) | 131,072 tokens |
| Max output | 8,192 tokens | 117,964 tokens (best) |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | Yes | No |
| PDFs | No | No |
| Audio | No | No |
| Video | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | No | No |
| Availability | ||
| Weights | Proprietary | Open |
| API model ID | — | — |
| API providers | 4 | 5 (best) |
| Released | Apr 28, 2025 | Aug 26, 2025 |
| Knowledge cutoff | — | Aug 31, 2024 |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Palmyra X5$18.00
- Hermes 4 405B$16.00
Which should you choose?
Which is better: Palmyra X5 or Hermes 4 405B?
Palmyra X5 is the better all-round choice, scoring 47/100 against Hermes 4 405B (35). It leads on inputs & features and context window. Hermes 4 405B wins on price. 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, Palmyra X5 or Hermes 4 405B?
Hermes 4 405B is cheaper at $1.00 input / $3.00 output per million tokens (median across 5 API providers). Palmyra X5 costs $0.60 input / $6.00 output per million tokens (median across 4 API providers). At a typical mix of three input tokens to one output token, that is $1.50 per million tokens for Hermes 4 405B versus $1.95 for Palmyra X5 (1.3× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Palmyra X5 has not been scored yet and Hermes 4 405B has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Palmyra X5 and Hermes 4 405B yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
Palmyra X5 has the largest context window at 1,000,000 tokens, against 131,072 for Hermes 4 405B. Maximum output per response: Palmyra X5 up to 8,192, Hermes 4 405B up to 117,964 tokens.
Which can read images, PDFs, audio or video?
Palmyra X5 accepts text and images; Hermes 4 405B accepts text. Palmyra X5 handles the widest range of inputs.
Are any of these open source?
Hermes 4 405B publishes its weights and can be self-hosted; Palmyra X5 is proprietary.
Which is newer?
Hermes 4 405B is the newest, released Aug 26, 2025. Palmyra X5 came out Apr 28, 2025. Knowledge cutoff: Hermes 4 405B Aug 31, 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.
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