Gemma 4 31B
A Google model. 9 prices across 9 channels side by side, each with its source and check date – plus specs, licence, speed and benchmarks.
- Official in/out per 1M
- —
- Lowest (Chutes)
- $0.12 / $0.37
- Context
- 131K
- AA index
- 14.7
Prices checked 2026-10-22Official sources linked on every rowNo estimatesCheapest LLM APIs →
01Specs at a glance
Official values first; gaps filled from OpenRouter’s API where the vendor page is silent.
| Vendor | |
|---|---|
| Context window | 131K (131,072 tokens) |
| Max output | 66K |
| Input | Image · Text · Video |
| Output | Text |
| Tool calling / JSON | Yes / Yes |
| Weights & licence | Open weights · Apache-2.0 · Hugging Face |
| Parameters | 31.3B (from weight files) |
| Released | Apr 2, 2026 |
| Model IDs | google/gemma-4-31b-it · gemma-4-31b |
02Prices on 9 channels
Per 1M tokens, in the currency each source publishes (1 USD = 6.7 CNY for the blended column). Sorted: official first, then cheapest.
| Channel | Source | Input | Output | Cache hit | Blended $ | Context | Notes |
|---|---|---|---|---|---|---|---|
| Chutes · fp4 Via OpenRouter / provider listed there | OpenRouter 10-22 | $0.12 | $0.37 | $0.012 | 0.182 | 131K | Chutes price as listed on OpenRouter (pass-through; quantization=fp4; discount field=0); not checked against Chutes's own page |
| Crusoe · bf16 Via OpenRouter / provider listed there | OpenRouter 10-22 | $0.14 | $0.4 | $0.14 | 0.205 | 262K | Crusoe price as listed on OpenRouter (pass-through; quantization=bf16; discount field=0); not checked against Crusoe's own page |
| Friendli · unknown Via OpenRouter / provider listed there | OpenRouter 10-22 | $0.14 | $0.4 | — | 0.205 | 262K | Friendli price as listed on OpenRouter (pass-through; quantization=unknown; discount field=0); not checked against Friendli's own page |
| Novita · bf16 Via OpenRouter / provider listed there | OpenRouter 10-22 | $0.14 | $0.4 | — | 0.205 | 262K | Novita price as listed on OpenRouter (pass-through; quantization=bf16; discount field=0); not checked against Novita's own page |
| Parasail · fp8 Via OpenRouter / provider listed there | OpenRouter 10-22 | $0.15 | $0.4 | $0.06 | 0.212 | 262K | Parasail price as listed on OpenRouter (pass-through; quantization=fp8; discount field=0); not checked against Parasail's own page |
| DeepInfra · fp8 Via OpenRouter / provider listed there | OpenRouter 10-22 | $0.2 | $0.4 | — | 0.25 | 262K | DeepInfra price as listed on OpenRouter (pass-through; quantization=fp8; discount field=0); not checked against DeepInfra's own page |
| Together Inference platform (own price page) | Platform 10-10 | $0.39 | $0.97 | — | 0.535 | 262K | Together AI own pricing page |
| SambaNova · unknown Via OpenRouter / provider listed there | OpenRouter 10-22 | $0.38 | $1.15 | — | 0.573 | 131K | SambaNova price as listed on OpenRouter (pass-through; quantization=unknown; discount field=0); not checked against SambaNova's own page |
| SiliconFlow · fp8 Via OpenRouter / provider listed there | OpenRouter 10-22 | $0.75 | $1 | $0.25 | 0.813 | 262K | SiliconFlow price as listed on OpenRouter (pass-through; quantization=fp8; discount field=0); not checked against SiliconFlow's own page |
“Official” = vendor pricing page; “Platform” = the platform’s own pricing page; “OpenRouter” = price listed on OpenRouter, not checked on the platform’s site. Click a source tag to open the original page.
03Where you can use it
Derived only from the price sources above. Country restrictions are set by each vendor – check their terms before you sign up.
- Via OpenRouter / provider listed there
Chutes · Crusoe · Friendli · Novita · Parasail · DeepInfra · SambaNova · SiliconFlow - Inference platform (own price page)
Together - Self-host the open weights
GPU / VRAM sizing and build plans→ - Free option
Gemma 4 31B (OpenRouter)→ - Free option
gemma-4-31B-it→
04Performance
Speed and AA index from Artificial Analysis public leaderboards (not our own tests); benchmark scores from our benchmark library, best result per benchmark.
- AA indexGemma 4 31B (Reasoning)
- 14.7
- Output speed (median)
- 36 tok/s
- Time to first token
- 1.08s
- AA index per $ (blended)
- 80.38
| Benchmark | Best score | Source | Date |
|---|---|---|---|
| LMArena Text | 1452 | official | 2026-10-08 |
| LMArena WebDev | 1366 | official | 2026-10-08 |
| LMArena Vision | 1262 | official | 2026-10-02 |
05Price changes we recorded
All price changes →From our daily re-checks of the sources above.
No price change recorded since we started tracking (2026-10-10).
06More from Google
FAQ
How much does the Gemma 4 31B API cost?
There is no official pay-as-you-go price in our data. The lowest listed price is $0.12 / $0.37 on Chutes.
What is the context window of Gemma 4 31B?
131K tokens of context, up to 66K output tokens. Platforms may cap it lower – see the table.
Is Gemma 4 31B open source?
Yes, the weights are published on Hugging Face (google/gemma-4-31B-it). Licence: Apache-2.0.