Llama 3.1 8B (Together AI) vs Llama 3.3 70B Instruct (Fireworks): API Cost Comparison
Compare the API pricing, context windows, features, and real-world cost projections for Llama 3.1 8B (Together AI) (Together AI) and Llama 3.3 70B Instruct (Fireworks) (Fireworks AI). Use the interactive calculator below to compute your exact monthly cost based on your token usage and request volume.
Prices verified Mar 10, 2026
Interactive Cost Calculator
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Showing costs for 2 models. Cheapest: Llama 3.1 8B (Together AI) at $2.70/month.
| Alert | |||||||
|---|---|---|---|---|---|---|---|
BestLlama 3.1 8B (Together AI) | Together AI | $2.70 | $0.000270 | $1.80 | $0.90 | 80.0% | Alerts coming soon |
Llama 3.3 70B Instruct (Fireworks) | Fireworks AI | $13.50 | $0.001350 | $9.00 | $4.50 | — | Alerts coming soon |
Monthly Cost Comparison
Price Comparison at a Glance
All prices are in USD per 1 million tokens ($/M tokens). Lower is cheaper.
| Pricing Type | Llama 3.1 8B (Together AI) | Llama 3.3 70B Instruct (Fireworks) | Cheaper |
|---|---|---|---|
| Input (standard) | $0.18/M | $0.90/M | Llama 3.1 8B (Together AI) |
| Output | $0.18/M | $0.90/M | Llama 3.1 8B (Together AI) |
| Cached input | N/A | $0.45/M | — |
| Batch input | N/A | $0.45/M | — |
| Batch output | N/A | $0.45/M | — |
Prices last verified: 2026-03-06 – 2026-03-10
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 | Llama 3.1 8B (Together AI)Monthly | Llama 3.3 70B Instruct (Fireworks)Monthly | Llama 3.1 8B (Together AI)Per request | Llama 3.3 70B Instruct (Fireworks)Per request |
|---|---|---|---|---|
| 1K requests/mo | $0.27 | $1.35 | $0.000270 | $0.001350 |
| 10K requests/mo | $2.70 | $13.50 | $0.000270 | $0.001350 |
| 100K requests/mo | $27.00 | $135.00 | $0.000270 | $0.001350 |
| 1M requests/mo | $270.00 | $1,350.00 | $0.000270 | $0.001350 |
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 Llama 3.1 8B (Together AI)
by Together AI
- Text classification
- Customer support
- General chatbot
Input / 1M tokens
$0.18/M
Output / 1M tokens
$0.18/M
Context window
131,072
Tier
budget
When to Choose Llama 3.3 70B Instruct (Fireworks)
by Fireworks AI
- Code generation
- Document summarization
- General chatbot
Input / 1M tokens
$0.90/M
Output / 1M tokens
$0.90/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.
| Capability | Llama 3.1 8B (Together AI) | Llama 3.3 70B Instruct (Fireworks) |
|---|---|---|
| Context window | 131,072 tokens | 131,072 tokens |
| Max output tokens | 4,096 tokens | 8,192 tokens |
| Performance tier | Budget | Mid |
| Vision / image input | No | No |
| Function calling | Yes | Yes |
| JSON mode | Yes | Yes |
| Prompt caching | No | Yes |
| Batch API (50% discount) | No | Yes |
| Extended reasoning | No | No |
| Fine-tuning | Yes | Yes |
Llama 3.1 8B (Together AI) notes
Most affordable Together AI option. Supports fine-tuning on custom data.
Llama 3.3 70B Instruct (Fireworks) notes
Fireworks serverless pricing. Cached input 50% discount. Batch inference at 50% of serverless rates.
Frequently Asked Questions
Is Llama 3.1 8B (Together AI) cheaper than Llama 3.3 70B Instruct (Fireworks)?
At standard usage (1,000 input tokens, 500 output tokens, 100,000 requests/month), Llama 3.1 8B (Together AI) costs $27.00/month versus $135.00/month for Llama 3.3 70B Instruct (Fireworks) — a 80% 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, Llama 3.1 8B (Together AI) or Llama 3.3 70B Instruct (Fireworks)?
Both Llama 3.1 8B (Together AI) and Llama 3.3 70B Instruct (Fireworks) have the same context window: 131,072 tokens.
Do Llama 3.1 8B (Together AI) and Llama 3.3 70B Instruct (Fireworks) support the Batch API?
Llama 3.3 70B Instruct (Fireworks) supports the Batch API (50% discount for async processing), while Llama 3.1 8B (Together AI) does not. If your workload tolerates up to 24-hour latency, routing to Llama 3.3 70B Instruct (Fireworks) with batch pricing could significantly cut costs versus Llama 3.1 8B (Together AI)'s standard rate.
Which model offers better prompt caching?
Llama 3.3 70B Instruct (Fireworks) supports prompt caching at $0.45/M for cached input, while Llama 3.1 8B (Together AI) does not offer prompt caching. For RAG applications or chatbots with large, repeated context, Llama 3.3 70B Instruct (Fireworks)'s caching capability can substantially reduce effective costs.
What are the best use cases for Llama 3.1 8B (Together AI) vs Llama 3.3 70B Instruct (Fireworks)?
Both models are well-suited for General chatbot. Llama 3.1 8B (Together AI) is particularly strong for Text classification, Customer support. Llama 3.3 70B Instruct (Fireworks) is favored for Code generation, Document summarization. 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 Llama 3.1 8B (Together AI) vs Llama 3.3 70B Instruct (Fireworks)?
At 1,000 input tokens and 500 output tokens per request — a typical conversational workload — Llama 3.1 8B (Together AI) costs $0.000270 per request and Llama 3.3 70B Instruct (Fireworks) costs $0.001350 per request. At 100,000 requests/month, that translates to $27.00 and $135.00 respectively. Use the interactive calculator to adjust these parameters for your actual workload.
Llama 3.1 8B (Together AI) vs Llama 3.3 70B Instruct (Fireworks): Summary
When comparing Llama 3.1 8B (Together AI) and Llama 3.3 70B Instruct (Fireworks) for API cost, the right choice depends on your workload's token profile, required features, and tolerance for latency. Llama 3.1 8B (Together AI) offers lower total cost at standard usage volumes (1,000 input + 500 output tokens per request at 100,000 requests/month) at $27.00/month, compared to $135.00/month for Llama 3.3 70B Instruct (Fireworks).
Both models are priced in USD per million tokens, the standard unit across all major AI API providers. Llama 3.1 8B (Together AI) charges $0.18/M for input tokens and $0.18/M for output tokens. Llama 3.3 70B Instruct (Fireworks) charges $0.90/M input and $0.90/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.
Prompt caching is supported by Llama 3.3 70B Instruct (Fireworks) but not Llama 3.1 8B (Together AI). For workloads with large, repeated system prompts or document context — such as RAG pipelines or multi-turn conversations with a fixed knowledge base — prompt caching can reduce effective input costs by 60–90%, which may change the cost ranking between these two models at your specific usage pattern.
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.
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Relevant Use Cases
See cost recommendations for workloads where Llama 3.1 8B (Together AI) or Llama 3.3 70B Instruct (Fireworks) is recommended.