Gemini 3.1 Flash Lite vs LongCat-2.0
Gemini 3.1 Flash Lite comes out ahead, 72 to 53 on our weighted score, though LongCat-2.0 is 7% cheaper per token.
- Our pick
GoogleGemini 3.1 Flash Lite
72/100- ECI—
- Price$0.25 / $1.50
- Context1.05M
Meituan (LongCat)LongCat-2.0
53/100- ECI—
- Price$0.30 / $1.20
- Context1M
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Make it a three-way comparison.
Gemini 3.1 Flash Lite is our pick
Gemini 3.1 Flash Lite is the better all-round choice, scoring 72/100 against LongCat-2.0 (53). It leads on inputs & features. 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 priceLongCat-2.0LongCat-2.0 $0.525 · Gemini 3.1 Flash Lite $0.563 per 1M tokens (3:1 blend)
- Longest contextGemini 3.1 Flash LiteGemini 3.1 Flash Lite 1,048,576 · LongCat-2.0 1,000,000 tokens
- Widest inputsGemini 3.1 Flash LiteGemini 3.1 Flash Lite: Text, Images, PDFs, Audio, Video · LongCat-2.0: Text
- Self-hostingLongCat-2.0Publishes downloadable weights
| Measure | Weight | Gemini 3.1 Flash Lite | LongCat-2.0 |
|---|---|---|---|
| Price | 50% | 59 | 60 |
| Inputs & features | 30% | 100 | 35 |
| Context window | 20% | 61 | 60 |
| Overall | 100% | 72/100 | 53/100 |
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 | Gemini 3.1 Flash LiteGoogle | LongCat-2.0Meituan (LongCat) |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $0.25 (best) | $0.30 |
| Output | $1.50 | $1.20 (best) |
| Cached input | $0.025 | $0.006 (best) |
| Blended (3:1) | $0.563 | $0.525 (best) |
| Long-context rate | Same rate | Same rate |
| Price source | Official Google API | Official LongCat API |
| Limits | ||
| Context window | 1,048,576 tokens (best) | 1,000,000 tokens |
| Max output | 65,536 tokens | 131,072 tokens (best) |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | Yes | No |
| PDFs | Yes | No |
| Audio | Yes | No |
| Video | Yes | No |
| Reasoning | Yesminimal · low · medium · high | Yes |
| Tool calling | Yes | Yes |
| Structured output | Yes | No |
| Availability | ||
| Weights | Proprietary | Open |
| API model ID | gemini-3.1-flash-lite | LongCat-2.0 |
| API providers | 26 (best) | 7 |
| Released | May 7, 2026 | Jun 30, 2026 |
| Knowledge cutoff | Jan 2025 | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Gemini 3.1 Flash Lite$5.50
- LongCat-2.0$5.40
Which should you choose?
Which is better: Gemini 3.1 Flash Lite or LongCat-2.0?
Gemini 3.1 Flash Lite is the better all-round choice, scoring 72/100 against LongCat-2.0 (53). It leads on inputs & features. 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, Gemini 3.1 Flash Lite or LongCat-2.0?
LongCat-2.0 is cheaper at $0.30 input / $1.20 output per million tokens (official LongCat API price). Gemini 3.1 Flash Lite costs $0.25 input / $1.50 output per million tokens (official Google API price). At a typical mix of three input tokens to one output token, that is $0.525 per million tokens for LongCat-2.0 versus $0.563 for Gemini 3.1 Flash Lite (1.1× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Gemini 3.1 Flash Lite has not been scored yet and LongCat-2.0 has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Gemini 3.1 Flash Lite and LongCat-2.0 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?
Gemini 3.1 Flash Lite has the largest context window at 1,048,576 tokens, against 1,000,000 for LongCat-2.0. Maximum output per response: Gemini 3.1 Flash Lite up to 65,536, LongCat-2.0 up to 131,072 tokens.
Which can read images, PDFs, audio or video?
Gemini 3.1 Flash Lite accepts text, images, PDFs, audio and video; LongCat-2.0 accepts text. Gemini 3.1 Flash Lite handles the widest range of inputs.
Are any of these open source?
LongCat-2.0 publishes its weights and can be self-hosted; Gemini 3.1 Flash Lite is proprietary.
Which is newer?
LongCat-2.0 is the newest, released Jun 30, 2026. Gemini 3.1 Flash Lite came out May 7, 2026. Knowledge cutoff: Gemini 3.1 Flash Lite Jan 2025.
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.
