Composer 2.5 vs Together AI Qwen2-72B-Instruct
Composer 2.5 (2026) and Together AI Qwen2-72B-Instruct (2024) are agentic coding models from Cursor (Anysphere) and Alibaba. Composer 2.5 ships a not-yet-sourced context window, while Together AI Qwen2-72B-Instruct ships a 33K-token context window. On pricing, Composer 2.5 costs $0.5/1M input tokens versus $0.7/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing.
Composer 2.5 is safer overall; choose Together AI Qwen2-72B-Instruct when provider fit matters.
Decision scorecard
Local evidence first| Signal | Composer 2.5 | Together AI Qwen2-72B-Instruct |
|---|---|---|
| Decision fit | Coding, Agents, and JSON / Tool use | Classification and JSON / Tool use |
| Context window | — | 33K |
| Cheapest output | $2.5/1M tokens | $0.7/1M tokens |
| Provider routes | 1 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Composer 2.5 uniquely exposes Function calling, Tool use, and Code execution in local model data.
- Local decision data tags Composer 2.5 for Coding, Agents, and JSON / Tool use.
- Together AI Qwen2-72B-Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Together AI Qwen2-72B-Instruct has the lower cheapest tracked output price at $0.7/1M tokens.
- Together AI Qwen2-72B-Instruct uniquely exposes Structured outputs in local model data.
- Local decision data tags Together AI Qwen2-72B-Instruct for Classification and JSON / Tool use.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output prices on this page.
Composer 2.5
$1,025
Cheapest tracked route: Cursor
Together AI Qwen2-72B-Instruct
$735
Cheapest tracked route: Together AI
Estimated monthly gap: $290. Batch, cache, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Composer 2.5 and Together AI Qwen2-72B-Instruct; plan for SDK, billing, or endpoint changes.
- Together AI Qwen2-72B-Instruct is $1.8/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Function calling, Tool use, and Code execution before moving production traffic.
- Together AI Qwen2-72B-Instruct adds Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Together AI Qwen2-72B-Instruct and Composer 2.5; plan for SDK, billing, or endpoint changes.
- Composer 2.5 is $1.8/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Structured outputs before moving production traffic.
- Composer 2.5 adds Function calling, Tool use, and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-05-18 | 2024-06-07 |
| Context window | — | 33K |
| Parameters | — | 72B |
| Architecture | - | decoder only |
| License | Proprietary | Open Source |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Composer 2.5 | Together AI Qwen2-72B-Instruct |
|---|---|---|
| Input price | $0.5/1M tokens | $0.7/1M tokens |
| Output price | $2.5/1M tokens | $0.7/1M tokens |
| Providers |
Capabilities
| Capability | Composer 2.5 | Together AI Qwen2-72B-Instruct |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | Yes | No |
| Tool use | Yes | No |
| Structured outputs | No | Yes |
| Code execution | Yes | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on function calling: Composer 2.5, tool use: Composer 2.5, structured outputs: Together AI Qwen2-72B-Instruct, and code execution: Composer 2.5. 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.
For cost, Composer 2.5 lists $0.5/1M input and $2.5/1M output tokens, while Together AI Qwen2-72B-Instruct lists $0.7/1M input and $0.7/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Together AI Qwen2-72B-Instruct lower by about $0.4 per million blended tokens. Availability is 1 providers versus 1, so concentration risk also matters.
Choose Composer 2.5 when coding workflow support and lower input-token cost are central to the workload. Choose Together AI Qwen2-72B-Instruct when provider fit are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which is cheaper, Composer 2.5 or Together AI Qwen2-72B-Instruct?
Composer 2.5 is cheaper on tracked token pricing. Composer 2.5 costs $0.5/1M input and $2.5/1M output tokens. Together AI Qwen2-72B-Instruct costs $0.7/1M input and $0.7/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Composer 2.5 or Together AI Qwen2-72B-Instruct open source?
Composer 2.5 is listed under Proprietary. Together AI Qwen2-72B-Instruct 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 function calling, Composer 2.5 or Together AI Qwen2-72B-Instruct?
Composer 2.5 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, Composer 2.5 or Together AI Qwen2-72B-Instruct?
Composer 2.5 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, Composer 2.5 or Together AI Qwen2-72B-Instruct?
Together AI Qwen2-72B-Instruct 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 Composer 2.5 and Together AI Qwen2-72B-Instruct?
Composer 2.5 is available on Cursor. Together AI Qwen2-72B-Instruct is available on Together AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Continue comparing
Last reviewed: 2026-05-19. Data sourced from public model cards and provider documentation.