Ling 3.1 Flash
inclusionAIReleased Sep 29, 2026Open weights · MITling-3.1-flash
- Reasoning
- yes
- Context
- 262K tokens
- Input
- text
- API features
- tools, structured outputs, JSON mode, seed, logprobs
Read Oct 23, 06:00 UTC from the hosts' published offers and OpenRouter, spec sheet from inclusionAI
The cheapest host, DeepInfra, serves fp4 weights (maker: fp8). Weights and context per host
- Parameters
- 560B
- 25B active per token (MoE)
- Memory needed
- 336 GB
- in INT4 · 672 GB in INT8
- Smallest cloud setup
- 8× H100
- 640 GB · $17.20/h, about $12,556 a month
- Worth it above
- 42B tokens
- a month, against the cheapest API at $0.30 per M
| Quantization | Memory | Smallest cloud GPU | Quality |
|---|---|---|---|
| INT4 (Q4) | 336 GB | 8× H100 · $17.20/h | smallest footprint, minor quality loss |
| INT8 (Q8) | 672 GB | multi-node, over 640 GB | near-lossless |
| FP16 (full) | 1344 GB | multi-node, over 640 GB | reference quality |
At home: 336 GB in INT4 is beyond any desktop or Mac in our machines table, so it means a multi-GPU server.
Memory ≈ parameters × bytes per parameter × 1.2 · cloud price: on-demand rate, running 24/7 · builds: GGUF, AWQ, MLX, GPTQ, Ollama · break-even calculator
| Provider | Input | Output | Cache ↑ | tok/s | First token | Uptime 24h | Checked |
|---|---|---|---|---|---|---|---|
| DeepInfrafp4 (fp8) · 256K ctx−75% | $0.075 | $0.23 | $0.015 | 7 | 0.95 s | 100% | Oct 23 |
| Novita AIprecision not stated · 256K ctx | $0.30 | $0.90 | $0.06 | — | — | — | Oct 23 |
2 of 2 providers · prices per million tokens, read Oct 23, 06:00 UTC · speed: OpenRouter, median of the last 30 min, read Oct 23, 06:00 UTC · uptime: OpenRouter, last 24 h · −N%: a discount off the host's list price · under each host: weights precision, context and max output as served, the maker's value in brackets when the host's differs
| Provider | Weights | Context | Max output | Tools | Structured outputs | Reasoning |
|---|---|---|---|---|---|---|
| DeepInfra | fp4 | 256K | not stated by the host | yes | yes | yes |
| Novita AI | not stated by the host | 256K | not stated by the host | yes | no | yes |
Weights, context and max output: read at each host's own catalogue or docs where its terms allow, otherwise as the host declares to OpenRouter; hover a cell for its source and date · tools, structured outputs, reasoning: as declared to OpenRouter · not verified by us
Ling 3.1 Flash spec sheet, field by field, with sources
Ling 3.1 Flash spec sheetmaker-declared
What inclusionAI declares about the model itself — read from its own weights repository and documentation, not from any host. What each endpoint actually serves is in the pricing above: the two can differ, and both are true.
- Context window
- 262,144 tokens
- Parameters
- 572,120,680,768≈ 572.1B
- Active experts
- 8 of 512 active per token
- Weight precision
- fp8
- License
- MIT — open weights, permissiveScope: the licence on the published weights, and nothing else. It is not the maker's acceptable-use policy, which is a separate document, and it is not the contract you sign with whichever host you call — hosts set their own terms, which this index does not read.
- Knowledge cutoff
- not published by the maker
- Modalities
- text
- Max output (official)
- not published by the maker
- Release date
- not published by the maker
- Maker lifecycle status
- not published by the maker
Also declared in the weights
- Architecture class
- BailingMoeV3ForCausalLM
- Layers
- 72
- Vocabulary
- 157,184 tokens
- Weights first published
- October 13, 2026
- Weights last updated
- October 20, 2026
inclusionAI/Ling-3.1-flash · config.json @ 93e96ab · read 2026-10-22 · 6 of 10 fields published by the maker
| Date | Provider | Input | Output | Change |
|---|---|---|---|---|
| Oct 20 | DeepInfra | $0.21 → $0.075 | $0.63 → $0.23 | −64% |
| Oct 18 | DeepInfra | $0.075 → $0.21 | $0.23 → $0.63 | +180% |
| Oct 17 | DeepInfra | $0.21 → $0.075 | $0.63 → $0.23 | −64% |
| Oct 16 | DeepInfra | $0.30 → $0.21 | $0.90 → $0.63 | −30% |
Every published change of input or output price, newest first · change on input + output · full series: pricing-history.csv.
| Provider | Chatbot 1,000 in / 500 out | RAG / long context 8,000 in / 500 out | Batch summarize 4,000 in / 1,000 out |
|---|---|---|---|
| DeepInfra | $0.19 | $0.71 | $0.53 |
| Novita AI | $0.75 | $2.85 | $2.10 |
What each host bills for 1,000 requests of a representative job
Your own workload
Other inclusionAI models · all its models, hosts and history ›
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