Ling 3.1 Flash
Efficient model for low-latency assistance, extraction, and routine automation.
- Capability
- —No ECI score yet
- Input
- $0.075per 1M tokens
- Output
- $0.22per 1M tokens
- Context
- 262K33K max output
What it costs
- Input
- $0.075per million tokens
- Output
- $0.22per million tokens
- Blended (3:1)
- $0.111cheaper than 90% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.26 |
| Team assistant25M input + 5M output tokens | $2.98 |
| Production app250M input + 50M output tokens | $29.75 |
Median of 1 paid API provider on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Ling 3.1 Flash yet.
The details
- Lab
- inclusionAI
- Released
- Sep 29, 2026
- Context window
- 262,144 tokens
- Max output
- 32,768 tokens
- Inputs
- Text
- Output
- Text
- Reasoning
- Always on
- Tool calling
- Yes
- Structured output
- No
- Weights
- Proprietary
- Availability
- 3 API providerslisted on models.dev
More from inclusionAI
About Ling 3.1 Flash
How much does Ling 3.1 Flash cost?
Ling 3.1 Flash costs $0.075 input / $0.22 output per million tokens (median across 1 API provider). At a 3:1 input-to-output mix that is $0.111 per million tokens, cheaper than 90% of the 360 priced models we track.
What is the context window of Ling 3.1 Flash?
Ling 3.1 Flash accepts up to 262,144 tokens per request and can write up to 32,768 tokens in one response.
How good is Ling 3.1 Flash?
Epoch AI has not published a Capabilities Index score for Ling 3.1 Flash yet.
Is Ling 3.1 Flash open source?
No. Ling 3.1 Flash is proprietary; you use it through an API or partner platforms.
What inputs does Ling 3.1 Flash support?
Ling 3.1 Flash accepts text and replies in text. It is a reasoning model, supports tool calling.
When was Ling 3.1 Flash released?
inclusionAI released Ling 3.1 Flash on Sep 29, 2026.
What are the best alternatives to Ling 3.1 Flash?
The closest current models from other labs on capability, price and release date are Laguna S 2.1 (Poolside, $0.10 / $0.20), Nemotron 3.5 Lightning 30B A3B (NVIDIA, $0.05 / $0.20), MiMo-V2.6-Flash (Xiaomi, $0.14 / $0.28) and Gemma 4 12B IT (Google, $0.075 / $0.275).