API cost decision in 10 seconds

NewNano Banana 2.1 vs Grok 4.7

Pick Grok 4.7 when budget and context both matter.

Page updated: 2026-10-06T17:07:23Z Data confirmed: 2026-10-15T01:07:46Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Grok 4.7 when budget and context both matter.

On the standard 1M input plus 500K output workload, Grok 4.7 is estimated at $5 vs $5.25 for Nano Banana 2.1, saving $0.25 (4.8% lower).

Cost-first pickGrok 4.7

Context-first pickGrok 4.7

Sample savings$0.254.8%

10x traffic gap$2.5

Grok 4.7 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $2.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Cost winner changes by workload shape: input-heavy / RAG favors Nano Banana 2.1, balanced workload favors Grok 4.7, and output-heavy chatbot favors Grok 4.7.

Workload shape	Token mix	Better pick	Nano Banana 2.1	Grok 4.7
Input-heavy / RAG	5M input + 500K output	Nano Banana 2.1	$11.25	$13
Balanced workload	1M input + 1M output	Grok 4.7	$9	$8
Output-heavy chatbot	1M input + 5M output	Grok 4.7	$39	$32

Cheaper input Nano Banana 2.1 $1.5 vs $2 / 1M

Nano Banana 2.1 is $0.5 cheaper per 1M input tokens (25% lower; 1.33x difference).

Cheaper output Grok 4.7 $7.5 vs $6 / 1M

Grok 4.7 is $1.5 cheaper per 1M output tokens (20% lower; 1.25x difference).

Larger context Grok 4.7 65.54K vs 500K

Grok 4.7 has 434.46K more context (7.63x larger).

Sample workload Grok 4.7 $5.25 vs $5

Grok 4.7 is $0.25 cheaper on the standard workload (4.8% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Nano Banana 2.1 Calculating… Estimated API cost

Grok 4.7 Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Nano Banana 2.1 has the lower input price; Grok 4.7 has the lower output price; Grok 4.7 offers the larger context window. For the 1M input plus 500K output sample, Grok 4.7 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $5.25 for Nano Banana 2.1 and $5 for Grok 4.7.

Best Fit

Choose Nano Banana 2.1 when you care most about lower input-token price.

Choose Grok 4.7 when you care most about lower output-token price, and larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, Grok 4.7 is estimated at $5 vs $5.25 for Nano Banana 2.1, saving $0.25 (4.8% lower).
Grok 4.7 is $0.25 cheaper on the standard workload (4.8% lower).
Nano Banana 2.1 is $0.5 cheaper per 1M input tokens (25% lower; 1.33x difference).
Grok 4.7 is $1.5 cheaper per 1M output tokens (20% lower; 1.25x difference).
Grok 4.7 has 434.46K more context (7.63x larger).

Head-to-Head Specs

Feature	NewNano Banana 2.1 (Google)	Grok 4.7 (SpaceXAI)
Input Price prompt tokens per 1M	$1.5	$2
Completion Price per 1M tokens	$7.5	$6
Sample Workload Cost 1M input + 500K output	$5.25	$5
Context Window	65.54K	500K
Release Date	2026-10-06	2026-09-21

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Grok 4.7	On the standard 1M input plus 500K output workload, Grok 4.7 is estimated at $5 vs $5.25 for Nano Banana 2.1, saving $0.25 (4.8% lower).
High-volume input processing	Nano Banana 2.1	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Grok 4.7	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Grok 4.7	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Gemma 4 26B A4B (free) can replace Nano Banana 2.1 when lower sample workload cost matters most: $0.
Gemma 4 31B (free) can replace Nano Banana 2.1 when lower sample workload cost matters most: $0.
Lyria 3 Pro Preview can replace Nano Banana 2.1 when lower sample workload cost matters most: $0.
Lyria 3 Clip Preview can replace Nano Banana 2.1 when lower sample workload cost matters most: $0.

Larger context near this budget

Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
Llama 4 Scout offers 1.31M context with $0.47 sample workload cost.
MiMo-V2.6-Flash offers 1.05M context with $0.28 sample workload cost.

Popular competitors

DeepSeek V4.1 Flash · DeepSeek · #1
Step 5 Preview · StepFun · #2
GLM 5.3 Flash · Z.ai · #3
MiMo-V2.6-Flash · Xiaomi · #4

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Google catalog

Review all tracked Google models before deciding whether this matchup is the right shortlist.

Open Google models

SpaceXAI catalog

Check other SpaceXAI models with comparable pricing, context, or release timing.

Open SpaceXAI models

Nano Banana 2.1

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,...

Grok 4.7

Grok 4.7 is SpaceXAI's flagship model for coding, agentic tasks, and knowledge work, succeeding Grok 4.6. It is particularly strong at long-running software engineering tasks, verifying its own work, and...