GPT-4 Turbo Preview vs Together AI - Llama 3 8B Lite
GPT-4 Turbo Preview (2023) and Together AI - Llama 3 8B Lite (2025) are compact production models from OpenAI and AI at Meta. GPT-4 Turbo Preview ships a 128K-token context window, while Together AI - Llama 3 8B Lite ships a 8K-token context window. On pricing, Together AI - Llama 3 8B Lite costs $0.1/1M input tokens versus $10/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Together AI - Llama 3 8B Lite is ~9900% cheaper at $0.1/1M; pay for GPT-4 Turbo Preview only for coding workflow support.
Decision scorecard
Local evidence first| Signal | GPT-4 Turbo Preview | Together AI - Llama 3 8B Lite |
|---|---|---|
| Decision fit | Coding, RAG, and Agents | Agents, Classification, and JSON / Tool use |
| Context window | 128K | 8K |
| Cheapest output | $30/1M tokens | $0.1/1M tokens |
| Provider routes | 3 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- GPT-4 Turbo Preview has the larger context window for long prompts, retrieval packs, or transcript analysis.
- GPT-4 Turbo Preview has broader tracked provider coverage for fallback and procurement flexibility.
- GPT-4 Turbo Preview uniquely exposes Vision and Code execution in local model data.
- Local decision data tags GPT-4 Turbo Preview for Coding, RAG, and Agents.
- Together AI - Llama 3 8B Lite has the lower cheapest tracked output price at $0.1/1M tokens.
- Together AI - Llama 3 8B Lite uniquely exposes Function calling and Tool use in local model data.
- Local decision data tags Together AI - Llama 3 8B Lite for Agents, Classification, and JSON / Tool use.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output prices on this page.
GPT-4 Turbo Preview
$15,500
Cheapest tracked route: OpenAI API
Together AI - Llama 3 8B Lite
$105
Cheapest tracked route: Together AI
Estimated monthly gap: $15,395. Batch, cache, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for GPT-4 Turbo Preview and Together AI - Llama 3 8B Lite; plan for SDK, billing, or endpoint changes.
- Together AI - Llama 3 8B Lite is $29.90/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision and Code execution before moving production traffic.
- Together AI - Llama 3 8B Lite adds Function calling and Tool use in local capability data.
- No overlapping tracked provider route is sourced for Together AI - Llama 3 8B Lite and GPT-4 Turbo Preview; plan for SDK, billing, or endpoint changes.
- GPT-4 Turbo Preview is $29.90/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Function calling and Tool use before moving production traffic.
- GPT-4 Turbo Preview adds Vision and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2023-11-06 | 2025-07-15 |
| Context window | 128K | 8K |
| Parameters | 1.76T (8x222B MoE)* | 8B |
| Architecture | mixture of experts | decoder only |
| License | Proprietary | Open Source |
| Knowledge cutoff | 2023-12 | 2024-03 |
Pricing and availability
| Pricing attribute | GPT-4 Turbo Preview | Together AI - Llama 3 8B Lite |
|---|---|---|
| Input price | $10/1M tokens | $0.1/1M tokens |
| Output price | $30/1M tokens | $0.1/1M tokens |
| Providers |
Capabilities
| Capability | GPT-4 Turbo Preview | Together AI - Llama 3 8B Lite |
|---|---|---|
| Vision | Yes | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | Yes | Yes |
| Code execution | Yes | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: GPT-4 Turbo Preview, function calling: Together AI - Llama 3 8B Lite, tool use: Together AI - Llama 3 8B Lite, and code execution: GPT-4 Turbo Preview. Both models share structured outputs, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, GPT-4 Turbo Preview lists $10/1M input and $30/1M output tokens, while Together AI - Llama 3 8B Lite lists $0.1/1M input and $0.1/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Together AI - Llama 3 8B Lite lower by about $15.90 per million blended tokens. Availability is 3 providers versus 1, so concentration risk also matters.
Choose GPT-4 Turbo Preview when coding workflow support, larger context windows, and broader provider choice are central to the workload. Choose Together AI - Llama 3 8B Lite when provider fit and lower input-token cost are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, GPT-4 Turbo Preview or Together AI - Llama 3 8B Lite?
GPT-4 Turbo Preview supports 128K tokens, while Together AI - Llama 3 8B Lite supports 8K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, GPT-4 Turbo Preview or Together AI - Llama 3 8B Lite?
Together AI - Llama 3 8B Lite is cheaper on tracked token pricing. GPT-4 Turbo Preview costs $10/1M input and $30/1M output tokens. Together AI - Llama 3 8B Lite costs $0.1/1M input and $0.1/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is GPT-4 Turbo Preview or Together AI - Llama 3 8B Lite open source?
GPT-4 Turbo Preview is listed under Proprietary. Together AI - Llama 3 8B Lite is listed under Open Source. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, GPT-4 Turbo Preview or Together AI - Llama 3 8B Lite?
GPT-4 Turbo Preview has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for function calling, GPT-4 Turbo Preview or Together AI - Llama 3 8B Lite?
Together AI - Llama 3 8B Lite has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run GPT-4 Turbo Preview and Together AI - Llama 3 8B Lite?
GPT-4 Turbo Preview is available on OpenAI API, Azure OpenAI, and OpenRouter. Together AI - Llama 3 8B Lite is available on Together AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.