Claude 3.5 Sonnet v2 (Bedrock) vs Qwen3.5 Plus (OpenRouter): API Cost Comparison
Compare the API pricing, context windows, features, and real-world cost projections for Claude 3.5 Sonnet v2 (Bedrock) (AWS Bedrock) and Qwen3.5 Plus (OpenRouter) (OpenRouter). Use the interactive calculator below to compute your exact monthly cost based on your token usage and request volume.
Prices verified Mar 11, 2026
Interactive Cost Calculator
Fills in typical token counts for a workload type
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Showing costs for 2 models. Cheapest: Qwen3.5 Plus (OpenRouter) at $10.40/month.
| Alert | |||||||
|---|---|---|---|---|---|---|---|
BestQwen3.5 Plus (OpenRouter) | OpenRouter | $10.40 | $0.001040 | $2.60 | $7.80 | 90.1% | Alerts coming soon |
Claude 3.5 Sonnet v2 (Bedrock) | AWS Bedrock | $105.00 | $0.010500 | $30.00 | $75.00 | — | Alerts coming soon |
Monthly Cost Comparison
Price Comparison at a Glance
All prices are in USD per 1 million tokens ($/M tokens). Lower is cheaper.
| Pricing Type | Claude 3.5 Sonnet v2 (Bedrock) | Qwen3.5 Plus (OpenRouter) | Cheaper |
|---|---|---|---|
| Input (standard) | $3.00/M | $0.26/M | Qwen3.5 Plus (OpenRouter) |
| Output | $15.00/M | $1.56/M | Qwen3.5 Plus (OpenRouter) |
Prices last verified: 2026-03-10 – 2026-03-11
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.
| Volume | Claude 3.5 Sonnet v2 (Bedrock)Monthly | Qwen3.5 Plus (OpenRouter)Monthly | Claude 3.5 Sonnet v2 (Bedrock)Per request | Qwen3.5 Plus (OpenRouter)Per request |
|---|---|---|---|---|
| 1K requests/mo | $10.50 | $1.04 | $0.010500 | $0.001040 |
| 10K requests/mo | $105.00 | $10.40 | $0.010500 | $0.001040 |
| 100K requests/mo | $1,050.00 | $104.00 | $0.010500 | $0.001040 |
| 1M requests/mo | $10,500.00 | $1,040.00 | $0.010500 | $0.001040 |
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 tokensWhen to Choose Claude 3.5 Sonnet v2 (Bedrock)
by AWS Bedrock
- Code generation
- Data extraction
- Content Creation
Input / 1M tokens
$3.00/M
Output / 1M tokens
$15.00/M
Context window
200,000
Tier
premium
When to Choose Qwen3.5 Plus (OpenRouter)
by OpenRouter
- Code generation
- Document summarization
- General chatbot
Input / 1M tokens
$0.26/M
Output / 1M tokens
$1.56/M
Context window
1,000,000
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.
| Capability | Claude 3.5 Sonnet v2 (Bedrock) | Qwen3.5 Plus (OpenRouter) |
|---|---|---|
| Context window | 200,000 tokens | 1,000,000 tokens |
| Max output tokens | 8,192 tokens | 65,536 tokens |
| Performance tier | Premium | Mid |
| Vision / image input | Yes | No |
| Function calling | Yes | Yes |
| JSON mode | Yes | Yes |
| Prompt caching | No | No |
| Batch API (50% discount) | Yes | No |
| Extended reasoning | No | No |
| Fine-tuning | No | No |
Claude 3.5 Sonnet v2 (Bedrock) notes
Claude 3.5 Sonnet v2 via AWS Bedrock. Supports computer use. AWS IAM auth with full CloudTrail audit logging.
Qwen3.5 Plus (OpenRouter) notes
OpenRouter offers 200+ models — showing top 15 unique models not available from other listed providers. Prices include OpenRouter markup.
Frequently Asked Questions
Is Claude 3.5 Sonnet v2 (Bedrock) cheaper than Qwen3.5 Plus (OpenRouter)?
At standard usage (1,000 input tokens, 500 output tokens, 100,000 requests/month), Qwen3.5 Plus (OpenRouter) costs $104.00/month versus $1,050.00/month for Claude 3.5 Sonnet v2 (Bedrock) — a 90% 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, Claude 3.5 Sonnet v2 (Bedrock) or Qwen3.5 Plus (OpenRouter)?
Qwen3.5 Plus (OpenRouter) has a larger context window at 1,000,000 tokens, compared to 200,000 tokens for Claude 3.5 Sonnet v2 (Bedrock). A larger context window is important for processing long documents, multi-turn conversations, or large codebases without truncation.
Do Claude 3.5 Sonnet v2 (Bedrock) and Qwen3.5 Plus (OpenRouter) support the Batch API?
Claude 3.5 Sonnet v2 (Bedrock) supports the Batch API (50% discount for async processing), while Qwen3.5 Plus (OpenRouter) does not. If your workload tolerates up to 24-hour latency, routing to Claude 3.5 Sonnet v2 (Bedrock) with batch pricing could significantly cut costs versus Qwen3.5 Plus (OpenRouter)'s standard rate.
Which model offers better prompt caching?
Neither Claude 3.5 Sonnet v2 (Bedrock) nor Qwen3.5 Plus (OpenRouter) 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 Claude 3.5 Sonnet v2 (Bedrock) vs Qwen3.5 Plus (OpenRouter)?
Both models are well-suited for Code generation. Claude 3.5 Sonnet v2 (Bedrock) is particularly strong for Data extraction, Content Creation. Qwen3.5 Plus (OpenRouter) is favored for Document summarization, General chatbot. At the same quality level, the lower-cost model is usually preferable; use this page's calculator to compare total monthly spend at your volume.
What is the cost per request for Claude 3.5 Sonnet v2 (Bedrock) vs Qwen3.5 Plus (OpenRouter)?
At 1,000 input tokens and 500 output tokens per request — a typical conversational workload — Claude 3.5 Sonnet v2 (Bedrock) costs $0.010500 per request and Qwen3.5 Plus (OpenRouter) costs $0.001040 per request. At 100,000 requests/month, that translates to $1,050.00 and $104.00 respectively. Use the interactive calculator to adjust these parameters for your actual workload.
Claude 3.5 Sonnet v2 (Bedrock) vs Qwen3.5 Plus (OpenRouter): Summary
When comparing Claude 3.5 Sonnet v2 (Bedrock) and Qwen3.5 Plus (OpenRouter) for API cost, the right choice depends on your workload's token profile, required features, and tolerance for latency. Qwen3.5 Plus (OpenRouter) offers lower total cost at standard usage volumes (1,000 input + 500 output tokens per request at 100,000 requests/month) at $104.00/month, compared to $1,050.00/month for Claude 3.5 Sonnet v2 (Bedrock).
Both models are priced in USD per million tokens, the standard unit across all major AI API providers. Claude 3.5 Sonnet v2 (Bedrock) charges $3.00/M for input tokens and $15.00/M for output tokens. Qwen3.5 Plus (OpenRouter) charges $0.26/M input and $1.56/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: Qwen3.5 Plus (OpenRouter) supports up to 1,000,000 tokens in a single request, versus 200,000 tokens for Claude 3.5 Sonnet v2 (Bedrock). 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.
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Relevant Use Cases
See cost recommendations for workloads where Claude 3.5 Sonnet v2 (Bedrock) or Qwen3.5 Plus (OpenRouter) is recommended.