Magnum v4 72B vs Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs 1.7x less per output token than Magnum v4 72B ($3.00 vs $5.00 per million). Updated October 22, 2026; no benchmark has tested both models yet.
- Coding
- No data
- Overall
- No data
- Output $/M
- $5.00
- Coding
- No data
- Overall
- No data
- Output $/M
- $3.00
Magnum v4 72B or Nano Banana 2 (Gemini 3.1 Flash Image Preview): which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Compare them on price, context and the boards below.
No benchmark has tested both yet. Magnum v4 72B has none yet; Nano Banana 2 (Gemini 3.1 Flash Image Preview) on Design Arena: images, Design Arena: graphic design and Design Arena: logos. 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
Neither has a coding score yet.
One side not measured
Image generation
Design Arena: images
No call
Only Nano Banana 2 (Gemini 3.1 Flash Image Preview) has a Design Arena: images result, 1266.
Directional only
Long documents
Listed context window
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Nano Banana 2 (Gemini 3.1 Flash Image Preview) takes 66K tokens against 33K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Magnum v4 72B $0.0050, Nano Banana 2 (Gemini 3.1 Flash Image Preview) $0.0020 per turn.
List prices
At a glance
- Coding index
- Magnum v4 72B not benchmarked, Nano Banana 2 (Gemini 3.1 Flash Image Preview) not benchmarked.
- 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
- Magnum v4 72B $5.00 against Nano Banana 2 (Gemini 3.1 Flash Image Preview) $3.00 per million output tokens, 1.7x apart.
- Context window
- Magnum v4 72B takes 33K tokens, Nano Banana 2 (Gemini 3.1 Flash Image Preview) 66K.
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.
Image generationDirectional onlyPublic boards, shown as published, kept out of the index3 boards measured
| Benchmark | Magnum v4 72B | Nano Banana 2 (Gemini 3.1 Flash Image Preview) | Leader |
|---|---|---|---|
| Design Arena: images | Not measured | 1266 | Only Nano Banana 2 (Gemini 3.1 Flash Image Preview) measured |
| Design Arena: graphic design | Not measured | 1249 | Only Nano Banana 2 (Gemini 3.1 Flash Image Preview) measured |
| Design Arena: logos | Not measured | 1248 | Only Nano Banana 2 (Gemini 3.1 Flash Image Preview) measured |
| Neither model has a result on the other 2 boards here | |||
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 (Gemini 3.1 Flash Image Preview) costs less
Repository review
50K input + 3K output tokens
Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs less
Agent loop
200K input + 10K output tokens
Nano Banana 2 (Gemini 3.1 Flash Image Preview) 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 | Magnum v4 72B | Google Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
|---|---|---|
| Maker | Anthracite | |
| Weights | Open weights | No public weights listed |
| Released | October 22, 2024 | February 26, 2026 |
| Context window | 33K | 66K |
| Input $/Mtok | $2.50 | $0.50 |
| Output $/Mtok | $5.00 | $3.00 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 0 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Magnum v4 72B better than Nano Banana 2 (Gemini 3.1 Flash Image Preview) for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Compare them on price, context and the boards below.
Which is cheaper, Magnum v4 72B or Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
Magnum v4 72B costs $2.50 per million input tokens and $5.00 per million output tokens; Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs $0.50 and $3.00. Cost per solved task is known for neither of them.
Which has the bigger context window, Magnum v4 72B or Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
Nano Banana 2 (Gemini 3.1 Flash Image Preview), with 66K tokens against 33K.
Has any benchmark tested both Magnum v4 72B and Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
No benchmark has tested both yet. Magnum v4 72B has none yet; Nano Banana 2 (Gemini 3.1 Flash Image Preview) on Design Arena: images, Design Arena: graphic design and Design Arena: logos. Compare them on price and context instead. Data as of October 22, 2026.