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Nano Banana 2 (Gemini 3.1 Flash Image) vs Qwen3 Coder (Together AI): API Cost Comparison

Compare the API pricing, context windows, features, and real-world cost projections for Nano Banana 2 (Gemini 3.1 Flash Image) (Google) and Qwen3 Coder (Together AI) (Together AI). Use the interactive calculator below to compute your exact monthly cost based on your token usage and request volume.

Prices verified Jun 26, 2026

Interactive Cost Calculator

GoogleNano Banana 2 (Gemini 3.1 Flash Image)Together AIQwen3 Coder (Together AI)

Fills in typical token counts for a workload type

Tokens in each prompt sent to the model

Tokens generated in each response

Total API calls per month

Showing costs for 2 models. Cheapest: Qwen3 Coder (Together AI) at $11.00/month.

Cheapest: Qwen3 Coder (Together AI) at $11.00/mo — save 45.0% vs Nano Banana 2 (Gemini 3.1 Flash Image)
Alert
BestQwen3 Coder (Together AI)
Together AI$11.00$0.001100$5.00$6.0045.0%Alerts coming soon
Nano Banana 2 (Gemini 3.1 Flash Image)
Google$20.00$0.002000$5.00$15.00Alerts coming soon

Monthly Cost Comparison

Price Comparison at a Glance

All prices are in USD per 1 million tokens ($/M tokens). Lower is cheaper.

Pricing TypeNano Banana 2 (Gemini 3.1 Flash Image)Qwen3 Coder (Together AI)Cheaper
Input (standard)$0.50/M$0.50/M
Output$3.00/M$1.20/MQwen3 Coder (Together AI)

Prices last verified: 2026-03-06 – 2026-06-26

Cost Breakdown by Usage Volume

Estimated monthly costs at different request volumes, assuming 1,000 input tokens and 500 output tokens per request. Adjust in the calculator above for your specific use case.

VolumeNano Banana 2 (Gemini 3.1 Flash Image)MonthlyQwen3 Coder (Together AI)MonthlyNano Banana 2 (Gemini 3.1 Flash Image)Per requestQwen3 Coder (Together AI)Per request
1K requests/mo$2.00$1.10$0.002000$0.001100
10K requests/mo$20.00$11.00$0.002000$0.001100
100K requests/mo$200.00$110.00$0.002000$0.001100
1M requests/mo$2,000.00$1,100.00$0.002000$0.001100

Green values indicate the lower-cost option at each volume tier. Cost per request is calculated at 1,000 input + 500 output tokens using standard (non-batch, non-cached) pricing.

Price History

Input price per 1M tokens

When to Choose Nano Banana 2 (Gemini 3.1 Flash Image)

by Google

  • General chatbot

Input / 1M tokens

$0.50/M

Output / 1M tokens

$3.00/M

Context window

131,072

Tier

budget

When to Choose Qwen3 Coder (Together AI)

by Together AI

  • Code generation

Input / 1M tokens

$0.50/M

Output / 1M tokens

$1.20/M

Context window

131,072

Tier

mid

Key Differences Beyond Price

Cost is only one factor in choosing an AI model. Context window size, rate limits, supported features, and latency all affect whether a model fits your use case.

CapabilityNano Banana 2 (Gemini 3.1 Flash Image)Qwen3 Coder (Together AI)
Context window131,072 tokens131,072 tokens
Max output tokens32,768 tokens8,192 tokens
Performance tierBudgetMid
Vision / image inputYesNo
Function callingNoYes
JSON modeYesYes
Prompt cachingNoNo
Batch API (50% discount)NoNo
Extended reasoningYesNo
Fine-tuningNoNo

Qwen3 Coder (Together AI) notes

Code-specialized model from Alibaba's Qwen3 family.

Frequently Asked Questions

Is Nano Banana 2 (Gemini 3.1 Flash Image) cheaper than Qwen3 Coder (Together AI)?

At standard usage (1,000 input tokens, 500 output tokens, 100,000 requests/month), Qwen3 Coder (Together AI) costs $110.00/month versus $200.00/month for Nano Banana 2 (Gemini 3.1 Flash Image) — a 45% saving. Your actual savings will vary based on your token profile; output-heavy workloads amplify differences in output pricing.

Which model has a larger context window, Nano Banana 2 (Gemini 3.1 Flash Image) or Qwen3 Coder (Together AI)?

Both Nano Banana 2 (Gemini 3.1 Flash Image) and Qwen3 Coder (Together AI) have the same context window: 131,072 tokens.

Do Nano Banana 2 (Gemini 3.1 Flash Image) and Qwen3 Coder (Together AI) support the Batch API?

Neither Nano Banana 2 (Gemini 3.1 Flash Image) nor Qwen3 Coder (Together AI) currently supports a batch API with discounted pricing. For batch-eligible alternatives, consider models from OpenAI, Anthropic, or Google that include batch API support.

Which model offers better prompt caching?

Neither Nano Banana 2 (Gemini 3.1 Flash Image) nor Qwen3 Coder (Together AI) currently supports prompt caching. For prompt-caching capable alternatives, consider Claude models from Anthropic or GPT-4o from OpenAI.

What are the best use cases for Nano Banana 2 (Gemini 3.1 Flash Image) vs Qwen3 Coder (Together AI)?

Nano Banana 2 (Gemini 3.1 Flash Image) is best suited for General chatbot, while Qwen3 Coder (Together AI) is optimized for Code generation. Choose based on which use case matches your primary workload — and validate with the cost calculator above to confirm the total monthly spend fits your budget.

What is the cost per request for Nano Banana 2 (Gemini 3.1 Flash Image) vs Qwen3 Coder (Together AI)?

At 1,000 input tokens and 500 output tokens per request — a typical conversational workload — Nano Banana 2 (Gemini 3.1 Flash Image) costs $0.002000 per request and Qwen3 Coder (Together AI) costs $0.001100 per request. At 100,000 requests/month, that translates to $200.00 and $110.00 respectively. Use the interactive calculator to adjust these parameters for your actual workload.

Nano Banana 2 (Gemini 3.1 Flash Image) vs Qwen3 Coder (Together AI): Summary

When comparing Nano Banana 2 (Gemini 3.1 Flash Image) and Qwen3 Coder (Together AI) for API cost, the right choice depends on your workload's token profile, required features, and tolerance for latency. Qwen3 Coder (Together AI) offers lower total cost at standard usage volumes (1,000 input + 500 output tokens per request at 100,000 requests/month) at $110.00/month, compared to $200.00/month for Nano Banana 2 (Gemini 3.1 Flash Image).

Both models are priced in USD per million tokens, the standard unit across all major AI API providers. Nano Banana 2 (Gemini 3.1 Flash Image) charges $0.50/M for input tokens and $3.00/M for output tokens. Qwen3 Coder (Together AI) charges $0.50/M input and $1.20/M output. If your workload is output-heavy (more tokens generated than consumed as input), the model with the lower output price compounds cost savings significantly at scale.

Context window capacity differs between the two: Both models support 131,072 tokens per request. A larger context window is essential for document summarization, large codebase analysis, and multi-document retrieval-augmented generation (RAG) applications.

Use the interactive calculator at the top of this page to enter your actual token usage and monthly request volume for a precise cost comparison tailored to your workload. Adjust for batch API discounts and prompt caching to find the most cost-effective option for your specific deployment.

Explore other model comparisons from the same providers or performance tiers.

Related Provider Pages

View complete pricing tables and model lineups for the providers behind these models.

Relevant Use Cases

See cost recommendations for workloads where Nano Banana 2 (Gemini 3.1 Flash Image) or Qwen3 Coder (Together AI) is recommended.