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[Recipe] Add ERNIE-5.5-Flash recipe - #65817

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esmeetu merged 2 commits into
vllm-project:mainfrom
jackyYang6:recipe/ernie-5.5-flash
Nov 5, 2026
Merged

esmeetu merged 2 commits into
vllm-project:mainfrom
jackyYang6:recipe/ernie-5.5-flash

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@jackyYang6 jackyYang6 commented Nov 5, 2026 •

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Overview

Add a recipe for ERNIE-5.5-Flash (recipes/models/baidu/ERNIE-5.5-Flash.yaml), served through the out-of-tree vLLM-ERNIE plugin on vLLM 0.32.0. The default variant serves the released ERNIE-5.5-Flash-Base checkpoints (FP8 and BF16); the post-trained ERNIE-5.5-Flash is listed as coming soon.

Claims

  • FP8 and BF16 Base variants for B300, GB300, B200, GB200 and H100, with Low-Latency (ECHO/MTP, 2 draft steps) and High-Throughput presets.
  • Strategies: Data + Expert Parallel (default), Tensor + Expert Parallel, multi-node DEP for BF16, and 1P1D PD disaggregation over Mooncake.
  • KV cache offload options, reasoning / tool-call parsers (ernie5) and DSpark for the coming post-trained model.

Validation

  • node scripts/validate-source.mjs --source vllm --dir <this repo>/recipes from vllm-project/recipes main passes.
  • Measured with the rendered commands on GB200 (FP8 and BF16, DEP and TEP, 1P1D Mooncake PD) and on 8 x H100 (FP8): GSM8K 5-shot 96.3–97.0 on GB200, MTP mean accept length 2.36 at 2 draft steps.

Details

  • Presets on GPUs we have not measured (B200, B300, GB300, BF16 on H100) are default: true with the same memory budget as the measured ones, so the builder starts from a working configuration on every listed GPU.
  • Two renderer limits the YAML cannot change: the Markdown/JSON export still shows a Docker command although install.docker: false hides it on the page (the official image does not include the plugin), and the PD commands leave $PREFILL_DP_RPC_PORT / $DECODE_DP_RPC_PORT unexplained.

Pull Request Checklist
  • I used vLLM's /pr-checklist skill. (Mandatory for agents, optional for humans).

  • AI assistance was used during the creation of this PR.

  • Design Fit: Minimizes impact on core components, reuses existing functionality, and justifies added complexity.

  • Testing and Validation: Validates the change and ensures any added tests are meaningful and reliable, with CI coverage or documented CI resource constraints and validation performed outside CI.

  • Code Quality and Style: Keeps code and comments clear and concise, and updates relevant documentation and examples.

  • Pull Request Contents: Includes a brief summary and relevant links, supports claims with evidence, explains root causes and implementation trade-offs, and follows the contributing guide.

Signed-off-by: jackyYang6 <jacky6.yang@gmail.com>
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jackyYang6 requested a review from esmeetu as a code owner November 5, 2026 05:34

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Claude Code Review

This pull request is from a fork — automated review is disabled. A repository maintainer can comment @claude review to run a one-time review.

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Codex Review Summary

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Review Status Commit Review trigger
📝 Code Review ✅ Completed 2026-11-05T05:39:53.927535Z c38ba77 PR opened
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@mergify mergify Bot added the recipe label Nov 5, 2026

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💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: c38ba77547

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ERNIE-5.5-Flash thinks before it answers. Start the server with
`--reasoning-parser ernie5` (the **Reasoning** toggle above); thinking then
lands in `reasoning_content` and the answer in `content`. Thinking is on by

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P2 Badge Document the current reasoning response field

For the advertised Flash reasoning mode, this names a response field that the server does not emit. ChatMessage in vllm/entrypoints/openai/chat_completion/protocol.py:76–88 exposes reasoning, not reasoning_content; docs/features/reasoning_outputs.md:5–9 also explicitly warns that reading the old name can silently lose the reasoning output. Clients implemented from this recipe would therefore read a missing field despite successful reasoning generation. Use reasoning here and in the reasoning feature description.

Useful? React with 👍 / 👎.

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esmeetu commented Nov 5, 2026

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/ci run

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✅ Triggered Buildkite CI #100164 for commit bc06c1fb4428.

ℹ️ This PR is 8 commits behind upstream main. Merged upstream main into this branch as bc06c1fb4428 before starting CI. Pull the branch before pushing more changes.

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esmeetu enabled auto-merge (squash) November 5, 2026 06:21
@github-actions github-actions Bot added the ready ONLY add when PR is ready to merge/full CI is needed label Nov 5, 2026
@esmeetu
esmeetu merged commit 1a983e2 into vllm-project:main Nov 5, 2026
14 of 15 checks passed
@esmeetu
esmeetu temporarily deployed to recipes-preview November 5, 2026 07:14 — with GitHub Actions Inactive
vllm-recipes-publisher Bot pushed a commit to vllm-project/recipes that referenced this pull request Nov 5, 2026
…mni@02286829737a

vllm-project/vllm@main:recipes c5d1d77d2bd5 → c2bc949186b5 [latest.vllm]
vllm-project/vllm@c5d1d77...c2bc949

Commits:
- vllm-project/vllm@1a983e2eb219 [Recipe] Add ERNIE-5.5-Flash recipe (vllm-project/vllm#65817)

Recipes:
- baidu/ERNIE-5.5-Flash (added): https://recipes.vllm.ai/baidu/ERNIE-5.5-Flash

vllm-project/vllm-omni@main:recipes 3f2085a7048e → 02286829737a [latest.vllm-omni]
vllm-project/vllm-omni@3f2085a...0228682

Commits:
- vllm-project/vllm-omni@02286829737a [Model] Add Hy-Nomas-Diffusers generation and bounded AR streaming (vllm-project/vllm-omni#9338)
- vllm-project/vllm-omni@4e7bdd4de81a [Model] Add Alpamayo 2 Super (vllm-project/vllm-omni#9133)

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

This branch was previously deployed

1 inactive deployment
recipes-preview — bc06c1fb Deployed Nov 5, 2026 by esmeetu via dispatch #329
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3 participants