GPT-5 Chat vs Hermes 4 405B vs Qwen MT Plus
Hermes 4 405B comes out ahead, 35 to 31 and 11 on our weighted score, and it is the cheaper option too.
OpenAIGPT-5 Chat
31/100- ECI—
- Price$1.25 / $10.00
- Context400K
- Our pick
Nous ResearchHermes 4 405B
35/100- ECI—
- Price$1.00 / $3.00
- Context131K
Alibaba (Qwen)Qwen MT Plus
11/100- ECI—
- Price$2.46 / $7.37
- Context16K
Hermes 4 405B is our pick
Hermes 4 405B is the better all-round choice, scoring 35/100 against GPT-5 Chat (31) and Qwen MT Plus (11). It leads on price. GPT-5 Chat wins 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 priceHermes 4 405BHermes 4 405B $1.50 · GPT-5 Chat $3.44 · Qwen MT Plus $3.69 per 1M tokens (3:1 blend)
- Longest contextGPT-5 ChatGPT-5 Chat 400,000 · Hermes 4 405B 131,072 · Qwen MT Plus 16,384 tokens
- Widest inputsGPT-5 ChatGPT-5 Chat: Text, Images · Hermes 4 405B: Text · Qwen MT Plus: Text
- Self-hostingHermes 4 405BPublishes downloadable weights
| Measure | Weight | GPT-5 Chat | Hermes 4 405B | Qwen MT Plus |
|---|---|---|---|---|
| Price | 50% | 23 | 40 | 22 |
| Inputs & features | 30% | 35 | 35 | 0 |
| Context window | 20% | 44 | 25 | 0 |
| Overall | 100% | 31/100 | 35/100 | 11/100 |
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 | GPT-5 ChatOpenAI | Hermes 4 405BNous Research | Qwen MT PlusAlibaba (Qwen) |
|---|---|---|---|
| Capability | |||
| Capabilities Index (ECI) | — | — | — |
| ECI rank | — | — | — |
| Price per million tokens | |||
| Input | $1.25 | $1.00 (best) | $2.46 |
| Output | $10.00 | $3.00 (best) | $7.37 |
| Cached input | — | — | — |
| Blended (3:1) | $3.44 | $1.50 (best) | $3.69 |
| Long-context rate | Same rate | Same rate | Same rate |
| Price source | Median of 5 providers | Median of 5 providers | Official Alibaba API |
| Limits | |||
| Context window | 400,000 tokens (best) | 131,072 tokens | 16,384 tokens |
| Max output | 128,000 tokens (best) | 117,964 tokens | 8,192 tokens |
| Inputs and features | |||
| Text | Yes | Yes | Yes |
| Images | Yes | No | No |
| PDFs | No | No | No |
| Audio | No | No | No |
| Video | No | No | No |
| Reasoning | Yes | Yes | No |
| Tool calling | No | Yes | No |
| Structured output | No | No | No |
| Availability | |||
| Weights | Proprietary | Open | Proprietary |
| API model ID | — | — | qwen-mt-plus |
| API providers | 5 (best) | 5 (best) | 3 |
| Released | Aug 7, 2025 | Aug 26, 2025 | Jul 24, 2025 |
| Knowledge cutoff | Sep 30, 2024 | 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.
- GPT-5 Chat$32.50
- Hermes 4 405B$16.00
- Qwen MT Plus$39.34
Which should you choose?
Which is better: GPT-5 Chat, Hermes 4 405B or Qwen MT Plus?
Hermes 4 405B is the better all-round choice, scoring 35/100 against GPT-5 Chat (31) and Qwen MT Plus (11). It leads on price. GPT-5 Chat wins 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, GPT-5 Chat, Hermes 4 405B or Qwen MT Plus?
Hermes 4 405B is cheaper at $1.00 input / $3.00 output per million tokens (median across 5 API providers). GPT-5 Chat costs $1.25 input / $10.00 output per million tokens (median across 5 API providers); Qwen MT Plus costs $2.46 input / $7.37 output per million tokens (official Alibaba API price). At a typical mix of three input tokens to one output token, that is $1.50 per million tokens for Hermes 4 405B versus $3.44 for GPT-5 Chat (2.3× as much) and $3.69 for Qwen MT Plus (2.5× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers all three models yet. GPT-5 Chat has not been scored yet, Hermes 4 405B has not been scored yet and Qwen MT Plus has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for GPT-5 Chat, Hermes 4 405B and Qwen MT Plus yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that GPT-5 Chat and Qwen MT Plus does not support tool calling, which most coding agents need.
Which has the bigger context window?
GPT-5 Chat has the largest context window at 400,000 tokens, against 131,072 for Hermes 4 405B and 16,384 for Qwen MT Plus. Maximum output per response: GPT-5 Chat up to 128,000, Hermes 4 405B up to 117,964, Qwen MT Plus up to 8,192 tokens.
Which can read images, PDFs, audio or video?
GPT-5 Chat accepts text and images; Hermes 4 405B accepts text; Qwen MT Plus accepts text. GPT-5 Chat handles the widest range of inputs.
Are any of these open source?
Hermes 4 405B publishes its weights and can be self-hosted; GPT-5 Chat and Qwen MT Plus is proprietary.
Which is newer?
Hermes 4 405B is the newest, released Aug 26, 2025. GPT-5 Chat came out Aug 7, 2025; Qwen MT Plus came out Jul 24, 2025. Knowledge cutoff: GPT-5 Chat Sep 30, 2024, 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.
