Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) vs Qwen3.5 Plus 2026-04-20
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs 1.2x less per output token than Qwen3.5 Plus 2026-04-20 ($1.50 vs $1.80 per million). Updated October 22, 2026; no benchmark has tested both models yet.
- Coding
- No data
- Overall
- No data
- Output $/M
- $1.50
- Coding
- 39.5
- Overall
- No data
- Output $/M
- $1.80
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) or Qwen3.5 Plus 2026-04-20: which to pick
Only Qwen3.5 Plus 2026-04-20 has a coding score, 39.5 on the Vibe Coding Index; Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) has none, so the two cannot be ranked on coding.
Pick Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) for output tokens 1.2x cheaper ($1.50 vs $1.80 per million).
No benchmark has tested both yet. Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) has results on Design Arena: images, Design Arena: graphic design and Design Arena: logos; Qwen3.5 Plus 2026-04-20 on LiveCodeBench (Vals AI), SWE-bench Verified (Vals AI) and Vibe Code Bench (Vals AI). Compare them on price and context instead.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
No call
Only Qwen3.5 Plus 2026-04-20 has a coding score, so no call is made.
One side not measured
Reasoning
GPQA Diamond
No call
Only Qwen3.5 Plus 2026-04-20 has a GPQA Diamond result, 87.4%.
Directional only
Math
AIME
No call
Only Qwen3.5 Plus 2026-04-20 has a AIME result, 86.0%.
Directional only
Knowledge
MMLU Pro
No call
Only Qwen3.5 Plus 2026-04-20 has a MMLU Pro result, 87.2%.
Directional only
Image generation
Design Arena: images
No call
Only Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) has a Design Arena: images result, 1236.
Directional only
Long documents
Listed context window
Qwen3.5 Plus 2026-04-20
Qwen3.5 Plus 2026-04-20 takes 1M tokens against 66K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) $0.0010, Qwen3.5 Plus 2026-04-20 $0.0012 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Qwen3.5 Plus 2026-04-20 has the number, $1.35.
Directional only
At a glance
- Coding index
- Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) not benchmarked, Qwen3.5 Plus 2026-04-20 39.5 from 2 benchmarks.
- Widest category
- None yet: no category has been tested on both models.
- Widest single gap
- None yet: no benchmark has tested both models.
- Output price
- Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) $1.50 against Qwen3.5 Plus 2026-04-20 $1.80 per million output tokens, 1.2x apart.
- Context window
- Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) takes 66K tokens, Qwen3.5 Plus 2026-04-20 1M.
Benchmark by benchmark
Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.
CodingDirectional onlySix of these boards feed the Vibe Coding Index4 boards measured
| Benchmark | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Qwen3.5 Plus 2026-04-20 | Leader |
|---|---|---|---|
| LiveCodeBench (Vals AI) | Not measured | 85.3% | Only Qwen3.5 Plus 2026-04-20 measured |
| SWE-bench Verified (Vals AI) | Not measured | 71.2% | Only Qwen3.5 Plus 2026-04-20 measured |
| Vibe Code Bench (Vals AI) | Not measured | 15.7% | Only Qwen3.5 Plus 2026-04-20 measured |
| ALE-Bench | Not measured | 608.9 | Only Qwen3.5 Plus 2026-04-20 measured |
| Neither model has a result on the other 39 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Qwen3.5 Plus 2026-04-20 | Leader |
|---|---|---|---|
| Epoch Capabilities Index | Not measured | 146.2 | Only Qwen3.5 Plus 2026-04-20 measured |
| Neither model has a result on the other 1 board here | |||
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Qwen3.5 Plus 2026-04-20 | Leader |
|---|---|---|---|
| Vending-Bench 2 | Not measured | $1 | Only Qwen3.5 Plus 2026-04-20 measured |
| Neither model has a result on the other 41 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index5 boards measured
| Benchmark | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Qwen3.5 Plus 2026-04-20 | Leader |
|---|---|---|---|
| GPQA Diamond | Not measured | 87.4% | Only Qwen3.5 Plus 2026-04-20 measured |
| MMMU Pro (Vals AI) | Not measured | 22.8% | Only Qwen3.5 Plus 2026-04-20 measured |
| GPQA Diamond (Epoch AI run) | Not measured | 84.8% | Only Qwen3.5 Plus 2026-04-20 measured |
| Chess puzzles | Not measured | 8.0% | Only Qwen3.5 Plus 2026-04-20 measured |
| Mystery game puzzles | Not measured | 17.0% | Only Qwen3.5 Plus 2026-04-20 measured |
| Neither model has a result on the other 18 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
| Benchmark | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Qwen3.5 Plus 2026-04-20 | Leader |
|---|---|---|---|
| AIME | Not measured | 86.0% | Only Qwen3.5 Plus 2026-04-20 measured |
| OTIS Mock AIME | Not measured | 86.7% | Only Qwen3.5 Plus 2026-04-20 measured |
| Neither model has a result on the other 12 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index7 boards measured
| Benchmark | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Qwen3.5 Plus 2026-04-20 | Leader |
|---|---|---|---|
| MMLU Pro | Not measured | 87.2% | Only Qwen3.5 Plus 2026-04-20 measured |
| LegalBench (Vals AI) | Not measured | 85.1% | Only Qwen3.5 Plus 2026-04-20 measured |
| CaseLaw (Vals AI) | Not measured | 59.7% | Only Qwen3.5 Plus 2026-04-20 measured |
| CorpFin (Vals AI) | Not measured | 65.3% | Only Qwen3.5 Plus 2026-04-20 measured |
| MortgageTax (Vals AI) | Not measured | 60.8% | Only Qwen3.5 Plus 2026-04-20 measured |
| MedQA (Vals AI) | Not measured | 95.2% | Only Qwen3.5 Plus 2026-04-20 measured |
| SimpleQA Verified | Not measured | 25.4% | Only Qwen3.5 Plus 2026-04-20 measured |
| Neither model has a result on the other 13 boards here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index5 boards measured
| Benchmark | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Qwen3.5 Plus 2026-04-20 | Leader |
|---|---|---|---|
| SAGE (Vals AI) | Not measured | 30.4% | Only Qwen3.5 Plus 2026-04-20 measured |
| DTBench | Not measured | 80.5% | Only Qwen3.5 Plus 2026-04-20 measured |
| LMCA | Not measured | 36.4% | Only Qwen3.5 Plus 2026-04-20 measured |
| CL-bench | Not measured | 19.8% | Only Qwen3.5 Plus 2026-04-20 measured |
| CL-bench Life | Not measured | 12.4% | Only Qwen3.5 Plus 2026-04-20 measured |
| Neither model has a result on the other 43 boards here | |||
Image generationDirectional onlyPublic boards, shown as published, kept out of the index5 boards measured
| Benchmark | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Qwen3.5 Plus 2026-04-20 | Leader |
|---|---|---|---|
| Design Arena: images | 1236 | Not measured | Only Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) measured |
| Design Arena: graphic design | 1249 | Not measured | Only Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) measured |
| Design Arena: logos | 1214 | Not measured | Only Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) measured |
| LMArena Text to Image | 1250 | Not measured | Only Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) measured |
| LMArena Image Edit | 1313 | Not measured | Only Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) measured |
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs less
Repository review
50K input + 3K output tokens
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs less
Agent loop
200K input + 10K output tokens
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | Google Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Qwen3.5 Plus 2026-04-20 |
|---|---|---|
| Maker | Qwen | |
| Weights | No public weights listed | No public weights listed |
| Released | June 30, 2026 | April 27, 2026 |
| Context window | 66K | 1M |
| Input $/Mtok | $0.25 | $0.30 |
| Output $/Mtok | $1.50 | $1.80 |
| Coding index | Not benchmarked | 39.5 |
| Independent measurements behind it | 0 | 2 |
| Cost per solved task | Not computable | $1.35 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) better than Qwen3.5 Plus 2026-04-20 for coding?
Only Qwen3.5 Plus 2026-04-20 has a coding score, 39.5 on the Vibe Coding Index; Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) has none, so the two cannot be ranked on coding. Pick Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) for output tokens 1.2x cheaper ($1.50 vs $1.80 per million).
Which is cheaper, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) or Qwen3.5 Plus 2026-04-20?
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs $0.25 per million input tokens and $1.50 per million output tokens; Qwen3.5 Plus 2026-04-20 costs $0.30 and $1.80. Cost per solved task is known for Qwen3.5 Plus 2026-04-20 only.
Which has the bigger context window, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) or Qwen3.5 Plus 2026-04-20?
Qwen3.5 Plus 2026-04-20, with 1M tokens against 66K.
Has any benchmark tested both Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) and Qwen3.5 Plus 2026-04-20?
No benchmark has tested both yet. Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) has results on Design Arena: images, Design Arena: graphic design and Design Arena: logos; Qwen3.5 Plus 2026-04-20 on LiveCodeBench (Vals AI), SWE-bench Verified (Vals AI) and Vibe Code Bench (Vals AI). Compare them on price and context instead. Data as of October 22, 2026.