Kimi K2.5 (OpenRouter) vs Llama 3.1 70B (Bedrock): API Cost Comparison
Compare the API pricing, context windows, features, and real-world cost projections for Kimi K2.5 (OpenRouter) (OpenRouter) and Llama 3.1 70B (Bedrock) (AWS Bedrock). 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
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Showing costs for 2 models. Cheapest: Kimi K2.5 (OpenRouter) at $15.50/month.
| Alert | |||||||
|---|---|---|---|---|---|---|---|
BestKimi K2.5 (OpenRouter) | OpenRouter | $15.50 | $0.001550 | $4.50 | $11.00 | 52.0% | Alerts coming soon |
Llama 3.1 70B (Bedrock) | AWS Bedrock | $32.30 | $0.003230 | $19.50 | $12.80 | — | Alerts coming soon |
Monthly Cost Comparison
Price Comparison at a Glance
All prices are in USD per 1 million tokens ($/M tokens). Lower is cheaper.
| Pricing Type | Kimi K2.5 (OpenRouter) | Llama 3.1 70B (Bedrock) | Cheaper |
|---|---|---|---|
| Input (standard) | $0.45/M | $1.95/M | Kimi K2.5 (OpenRouter) |
| Output | $2.20/M | $2.56/M | Kimi K2.5 (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 | Kimi K2.5 (OpenRouter)Monthly | Llama 3.1 70B (Bedrock)Monthly | Kimi K2.5 (OpenRouter)Per request | Llama 3.1 70B (Bedrock)Per request |
|---|---|---|---|---|
| 1K requests/mo | $1.55 | $3.23 | $0.001550 | $0.003230 |
| 10K requests/mo | $15.50 | $32.30 | $0.001550 | $0.003230 |
| 100K requests/mo | $155.00 | $323.00 | $0.001550 | $0.003230 |
| 1M requests/mo | $1,550.00 | $3,230.00 | $0.001550 | $0.003230 |
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 Kimi K2.5 (OpenRouter)
by OpenRouter
- Document summarization
- General chatbot
- RAG / Semantic search
Input / 1M tokens
$0.45/M
Output / 1M tokens
$2.20/M
Context window
262,144
Tier
mid
When to Choose Llama 3.1 70B (Bedrock)
by AWS Bedrock
- General chatbot
- Summarization
- Rag Retrieval
Input / 1M tokens
$1.95/M
Output / 1M tokens
$2.56/M
Context window
128,000
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 | Kimi K2.5 (OpenRouter) | Llama 3.1 70B (Bedrock) |
|---|---|---|
| Context window | 262,144 tokens | 128,000 tokens |
| Max output tokens | 65,535 tokens | 4,096 tokens |
| Performance tier | Mid | Mid |
| Vision / image input | No | No |
| Function calling | Yes | Yes |
| JSON mode | Yes | Yes |
| Prompt caching | No | No |
| Batch API (50% discount) | No | Yes |
| Extended reasoning | No | No |
| Fine-tuning | No | No |
Kimi K2.5 (OpenRouter) notes
OpenRouter offers 200+ models — showing top 15 unique models not available from other listed providers. Prices include OpenRouter markup.
Llama 3.1 70B (Bedrock) notes
Meta Llama 3.1 70B via AWS Bedrock. Good balance of capability and cost for enterprise workloads requiring open-weight model governance.
Frequently Asked Questions
Is Kimi K2.5 (OpenRouter) cheaper than Llama 3.1 70B (Bedrock)?
At standard usage (1,000 input tokens, 500 output tokens, 100,000 requests/month), Kimi K2.5 (OpenRouter) costs $155.00/month versus $323.00/month for Llama 3.1 70B (Bedrock) — a 52% 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, Kimi K2.5 (OpenRouter) or Llama 3.1 70B (Bedrock)?
Kimi K2.5 (OpenRouter) has a larger context window at 262,144 tokens, compared to 128,000 tokens for Llama 3.1 70B (Bedrock). A larger context window is important for processing long documents, multi-turn conversations, or large codebases without truncation.
Do Kimi K2.5 (OpenRouter) and Llama 3.1 70B (Bedrock) support the Batch API?
Llama 3.1 70B (Bedrock) supports the Batch API (50% discount for async processing), while Kimi K2.5 (OpenRouter) does not. If your workload tolerates up to 24-hour latency, routing to Llama 3.1 70B (Bedrock) with batch pricing could significantly cut costs versus Kimi K2.5 (OpenRouter)'s standard rate.
Which model offers better prompt caching?
Neither Kimi K2.5 (OpenRouter) nor Llama 3.1 70B (Bedrock) 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 Kimi K2.5 (OpenRouter) vs Llama 3.1 70B (Bedrock)?
Both models are well-suited for General chatbot. Kimi K2.5 (OpenRouter) is particularly strong for Document summarization, RAG / Semantic search. Llama 3.1 70B (Bedrock) is favored for Summarization, Rag Retrieval. 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 Kimi K2.5 (OpenRouter) vs Llama 3.1 70B (Bedrock)?
At 1,000 input tokens and 500 output tokens per request — a typical conversational workload — Kimi K2.5 (OpenRouter) costs $0.001550 per request and Llama 3.1 70B (Bedrock) costs $0.003230 per request. At 100,000 requests/month, that translates to $155.00 and $323.00 respectively. Use the interactive calculator to adjust these parameters for your actual workload.
Kimi K2.5 (OpenRouter) vs Llama 3.1 70B (Bedrock): Summary
When comparing Kimi K2.5 (OpenRouter) and Llama 3.1 70B (Bedrock) for API cost, the right choice depends on your workload's token profile, required features, and tolerance for latency. Kimi K2.5 (OpenRouter) offers lower total cost at standard usage volumes (1,000 input + 500 output tokens per request at 100,000 requests/month) at $155.00/month, compared to $323.00/month for Llama 3.1 70B (Bedrock).
Both models are priced in USD per million tokens, the standard unit across all major AI API providers. Kimi K2.5 (OpenRouter) charges $0.45/M for input tokens and $2.20/M for output tokens. Llama 3.1 70B (Bedrock) charges $1.95/M input and $2.56/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: Kimi K2.5 (OpenRouter) supports up to 262,144 tokens in a single request, versus 128,000 tokens for Llama 3.1 70B (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 Kimi K2.5 (OpenRouter) or Llama 3.1 70B (Bedrock) is recommended.