GPT-4 Paid vs 
Nano Banana 2.1 Paid
GPT-4 vs Nano Banana 2.1 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
GPT-4 — full profile › · Nano Banana 2.1 — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$60 /M outputManaged API (no infra to run)
$7.5 /M outputManaged API (no infra to run)
GPT-4 vs Nano Banana 2.1 specs
| Spec | GPT-4 | Nano Banana 2.1 | Winner |
|---|---|---|---|
| Maker | OpenAI | – | |
| Type | Proprietary | Proprietary | – |
| Context window | 8K tokens | 66K tokens | |
| Input price | $30/M | $1.5/M | |
| Output price | $60/M | $7.5/M | |
| Vision / multimodal | No | Yes | |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
Nano Banana 2.1 is ~8.0× cheaper than GPT-4 on output tokens ($7.5 vs $60 per M tokens).
- You want frontier performance through a managed API
- You value reliability & ecosystem
- You don't want to manage infrastructure
- You want frontier performance through a managed API
- You need the longer 66K context window
- You want the lower output price
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | GPT-4 | Nano Banana 2.1 |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✗ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✗ |
Benchmarks: GPT-4 vs Nano Banana 2.1
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How GPT-4 and Nano Banana 2.1 score
| Criterion | GPT-4 | Nano Banana 2.1 |
|---|---|---|
| Cost-efficiency | 2.0 | 4.0 |
| Context window | 2.0 | 3.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 3.5 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
GPT-4 Paid
OpenAI's flagship model, GPT-4 is a large-scale multimodal language model capable of solving difficult problems with greater accuracy than previous models due to its broader general knowledge and advanced reasoning...
Nano Banana 2.1 Paid
Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. It improves product recontextualization,...
Frequently asked questions
GPT-4 vs Nano Banana 2.1 — which is cheaper?
Nano Banana 2.1 is cheaper on output ($7.5/M vs $60/M).
Which has the larger context window?
Nano Banana 2.1 offers the larger context window (66K tokens).
GPT-4 vs Nano Banana 2.1 — which should I pick in 2026?
Choose Nano Banana 2.1 for the lower output price ($7.5/M vs $60/M). It also gives you the larger 66K context window.
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