Aquila Chat 2 70B Expressive vs Together AI - Llama 3 8B Lite
Aquila Chat 2 70B Expressive (2023) and Together AI - Llama 3 8B Lite (2025) are compact production models from Beijing Academy of Artificial Intelligence (BAAI) and AI at Meta. Aquila Chat 2 70B Expressive ships a 2k-token context window, while Together AI - Llama 3 8B Lite ships a 8k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Together AI - Llama 3 8B Lite fits 4x more tokens; pick it for long-context work and Aquila Chat 2 70B Expressive for tighter calls.
Decision scorecard
Local evidence first| Signal | Aquila Chat 2 70B Expressive | Together AI - Llama 3 8B Lite |
|---|---|---|
| Best for | general production evaluation | tool-calling agents |
| Decision fit | General | Agents, Classification, and JSON / Tool use |
| Context window | 2k | 8k |
| Cheapest output | - | $0.10/1M tokens |
| Provider routes | 0 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Use Aquila Chat 2 70B Expressive when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
- Together AI - Llama 3 8B Lite has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Together AI - Llama 3 8B Lite has broader tracked provider coverage for fallback and procurement flexibility.
- Together AI - Llama 3 8B Lite uniquely exposes Function calling, Tool use, and Structured outputs 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 route or tier on this page.
Aquila Chat 2 70B Expressive
Unavailable
No complete token price in local provider data
Together AI - Llama 3 8B Lite
$105
Cheapest tracked route/tier: Together AI
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Aquila Chat 2 70B Expressive and Together AI - Llama 3 8B Lite; plan for SDK, billing, or endpoint changes.
- Together AI - Llama 3 8B Lite adds Function calling, Tool use, and Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Together AI - Llama 3 8B Lite and Aquila Chat 2 70B Expressive; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Function calling, Tool use, and Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2023-11-02 | 2025-07-15 |
| Context window | 2k | 8k |
| Parameters | 70B | 8B |
| Architecture | decoder only | decoder only |
| License | Proprietary | Llama 3 Community |
| Openness | Proprietary | Open weights |
| Commercial use | Commercial use with conditions | Commercial use with conditions |
| Knowledge cutoff | - | 2024-03 |
Pricing and availability
| Pricing attribute | Aquila Chat 2 70B Expressive | Together AI - Llama 3 8B Lite |
|---|---|---|
| Input price | - | $0.10/1M tokens |
| Output price | - | $0.10/1M tokens |
| Providers | - |
Capabilities
| Capability | Aquila Chat 2 70B Expressive | Together AI - Llama 3 8B Lite |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | No | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on function calling: Together AI - Llama 3 8B Lite, tool use: Together AI - Llama 3 8B Lite, and structured outputs: Together AI - Llama 3 8B Lite. Both models share the core language-model surface, 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.
Pricing coverage is uneven: Aquila Chat 2 70B Expressive has no token price sourced yet and Together AI - Llama 3 8B Lite has $0.10/1M input tokens. Provider availability is 0 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Aquila Chat 2 70B Expressive when provider fit are central to the workload. Choose Together AI - Llama 3 8B Lite when long-context analysis, larger context windows, and broader provider choice 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, Aquila Chat 2 70B Expressive or Together AI - Llama 3 8B Lite?
Together AI - Llama 3 8B Lite supports 8k tokens, while Aquila Chat 2 70B Expressive supports 2k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Aquila Chat 2 70B Expressive or Together AI - Llama 3 8B Lite open source?
Aquila Chat 2 70B Expressive is listed under Proprietary. Together AI - Llama 3 8B Lite is listed under Llama 3 Community. 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 function calling, Aquila Chat 2 70B Expressive 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.
Which is better for tool use, Aquila Chat 2 70B Expressive or Together AI - Llama 3 8B Lite?
Together AI - Llama 3 8B Lite has the clearer documented tool use signal in this comparison. If tool use is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for structured outputs, Aquila Chat 2 70B Expressive or Together AI - Llama 3 8B Lite?
Together AI - Llama 3 8B Lite has the clearer documented structured outputs signal in this comparison. If structured outputs is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Aquila Chat 2 70B Expressive and Together AI - Llama 3 8B Lite?
Aquila Chat 2 70B Expressive is available on the tracked providers still being sourced. 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: 2026-05-19. Data sourced from public model cards and provider documentation.