fix: add Together models Qwen/Qwen3.7-Max

[github-actions]

fix: add Together models Qwen/Qwen3.7-Max

Closes #665

Source issue: #665

Summary

Field	Value
Provider	together
Primary model	Qwen/Qwen3.7-Max
Changed models	Qwen/Qwen3.7-Max
Added models	Qwen/Qwen3.7-Max
Updated models	None
Verification sources	1 2 3 4

Verified metadata

Model	Display name	Parent	Providers	Format	Flavor	Token limits	Pricing	Lifecycle
Qwen/Qwen3.7-Max	Qwen3.7 Max		together	openai	chat	input=1000000, output=not provided	in/out=1.25/3.75 per 1M; cache read=0.13 per 1M	reasoning=true

Verification notes

Verification

Sources and fields verified

Source URL	Fields verified
https://docs.together.ai/docs/serverless-models	Model ID (Qwen/Qwen3.7-Max), flavor (chat), format (openai)
https://www.together.ai/pricing	input_cost_per_mil_tokens (1.25), output_cost_per_mil_tokens (3.75), input_cache_read_cost_per_mil_tokens (0.13)
https://www.together.ai/models	Pricing confirmation, capabilities (Reasoning, Function Calling, JSON Mode, Chat, Code)
https://help.aliyun.com/zh/model-studio/user-guide/text-generation	max_input_tokens (1000000) — "百万 token 上下文"

sync_models (LiteLLM) cross-check

The model Qwen/Qwen3.7-Max does not appear in the LiteLLM model_prices_and_context_window_backup.json catalog under any key (searched Qwen3.7, qwen3.7, together_ai/Qwen). No cross-check is possible. All proposed values are sourced from official Together AI and Alibaba Cloud documentation.

Fields not published or not applicable

• max_output_tokens: Not published by any official source
• multimodal: Not indicated by Together AI
• parent: Not applicable
• supported_regions: Not applicable (Together AI, not Vertex)
• locations: Not applicable (Together AI does not use location metadata)

sync_models vs proposed update

sync_models cross-check found differences. Official provider verification was used for the applied values, and sync_models discrepancies are listed below for review.

Model	Field	Proposed update	sync_models	sync_models source models
Qwen/Qwen3.7-Max	catalog entry	present	missing	None

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