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PyPI · #4940 most downloaded on PyPI
An integration package connecting DeepSeek and LangChain
Last release 13 days ago
22 Sep 2026
Release timing varies
gaps range from 8 days to 7 months
Nearly every release is documented
notes for 9 of 9 stable releases
2 versions withdrawn
withdrawn after publishing
2 years old
12 releases · first in 2025
One column per month.
Changes since langchain-deepseek==1.1.0
Changes since langchain-deepseek==1.1.0
fix(deepseek,infra): resolve compatible minimum OpenAI dependencies, bump min ver (#40738)
release(deepseek): 1.1.1 (#40734)
chore(deps): bump anyio from 4.11.0 to 4.14.2 in /libs/partners/deepseek (#40641)
chore(model-profiles): refresh model profile data (#40399)
fix(deepseek): route strict mode to the beta endpoint (#40249)
chore(model-profiles): refresh model profile data (#39906)
chore(model-profiles): refresh model profile data (#39844)
fix(deepseek): map prompt_cache_hit_tokens to cache_read (#39668)
chore(model-profiles): refresh model profile data (#39625)
chore(model-profiles): refresh model profile data (#39166)
chore(deps): refresh lockfiles (#38746)
chore: bump vcrpy from 8.1.1 to 8.2.1 in /libs/partners/deepseek (#38318)
chore: bump langsmith from 0.8.3 to 0.8.18 in /libs/partners/deepseek (#38320)
docs: refresh README installation and resources (#38119)
release(core): 1.4.7 (#38111)
fix(core,partners): rename package version trace metadata (#38110)
release(core): 1.4.6 (#38061)
feat(core,partners): add package version tracking to tracing metadata (#35295)
chore(infra): bump mypy to 2.1 and unify type-check config across the monorepo (#36470)
feat(standard-tests): validate tool call chunks during streaming (#34707)
chore(partners): bump locks (#38052)
hotfix(openai): min core dep (#37990)
test(langchain,partners): disable pytest-benchmark under xdist to silence PytestBenchmarkWarning (#37901)
…chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385) chore: bump requests from 2.32.5 to 2.33.0 in /libs/partners/deepseek (#36256) ch…
Changes since langchain-deepseek==1.0.1
chore(infra): bump langchain-tests floor to 1.1.9 (#37610)
chore: bump idna from 3.10 to 3.15 in /libs/partners/deepseek (#37560)
ci(infra): harden Dependabot version-bound preservation (#37510)
chore: bump urllib3 from 2.6.3 to 2.7.0 in /libs/partners/deepseek (#37341)
chore: bump langchain-core from 1.3.2 to 1.3.3 in /libs/partners/deepseek (#37282)
chore: bump langsmith from 0.7.31 to 0.8.3 in /libs/partners/deepseek (#37283)
chore(docs): update x handle references (#37081)
chore(model-profiles): refresh model profile data (#37015)
chore(model-profiles): refresh model profile data (#37005)
hotfix: bump min core versions (#36996)
feat(core): add content-block-centric streaming (v2) (#36834)
ci(infra): add pytest-xdist to partner test groups (#36988)
chore(model-profiles): refresh model profile data (#36982)
hotfix(ci): remove nobenchmark flag (#36959)
chore(partners): standardize integration test invocation (#36958)
chore(deps): bump pytest to 9.0.3 (#36801)
chore: bump langsmith from 0.6.3 to 0.7.31 in /libs/partners/deepseek (#36787)
chore: add comment explaining pygments>=2.20.0 (#36570)
chore(model-profiles): refresh model profile data (#36554)
chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/partners/deepseek (#36256)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
ci: suppress pytest streaming output in CI (#36092)
ci: avoid unnecessary dep installs in lint targets (#36046)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/partners/deepseek (#35868)
fix(deepseek): accept base_url as alias for api_base (#35789)
feat(model-profiles): new fields + Makefile target (#35788)
chore(model-profiles): refresh model profile data (#35646)
fix(deepseek): use proper URL parsing for azure endpoint detection (#35455)
fix(deepseek): Tool Choice to required for Azure Deployment in case specific function dict is given (#34848)
fix(model-profiles): sort generated profiles by model ID for stable diffs (#35344)
fix(infra): fix trailing comma regex in profile generation script (#35333)
chore: bump model profiles (#35294)
chore(deps): bump langsmith from 0.4.31 to 0.6.3 in /libs/partners/deepseek (#35156)
feat(model-profiles): add text_inputs and text_outputs (#35084)
chore: add make type target (#35015)
revert: "chore: add typing target in Makefile" (#35013)
chore: add typing target in Makefile (#35012)
chore: enrich pyproject.toml files (#34980)
chore(deps): bump the uv group across 20 directories with 3 updates (#34941)
chore: upgrade urllib3 to 2.6.3 (#34940)
chore: update twitter URLs (#34736)
chore: ban relative imports on all packages (#34691)
fix(openai): filter function_call blocks in token counting (#34396)
release(openai): 1.1.6: update max input tokens for gpt-5 series (#34419)
release(openai): 1.1.5 (#34409)
fix(openai): rely on langchain-core for setting chunk_position (#34404)
chore: update core dep in lockfiles (#34216)
release: (integration packages): 1.1 (#34088)
feat(model-profiles): distribute data across packages (#34024)
Changes since langchain-deepseek==1.0.0
Changes since langchain-deepseek==1.0.0
release(deepseek): 1.0.1 (#33946)
chore: update README.md files (#33919)
feat(deepseek): support strict beta structured output (#32727)
style: some cleanup (#33857)
fix: links (#33691)
chore: update pyproject.toml url entries (#33587)
…(#32880) chore: adress pytest-asyncio deprecation warnings + other nits (#32696) fix(deepseek): Deep Seek Model for LS Tracing (#32575) feat(docs): im…
Changes since langchain-deepseek==0.1.4
release(deepseek): 1.0.0 (#33581)
fix(deepseek): inject model_provider in response_metadata (#33544)
fix: support python 3.14 in various projects (#33575)
docs: more fixes for refs (#33554)
chore: more sweeping (#33533)
docs: update package READMEs (#33488)
style: llm -> model (#33423)
style: .. code-block:: admonition translations (#33400)
style: address Sphinx double-backtick snippet syntax (#33389)
chore: update Sphinx links to markdown (#33386)
style: remove more Optional syntax (#33371)
chore: drop UP045 (#33362)
style: monorepo pass for refs (#33359)
chore: enrich pyproject.toml files with links to new references, others (#33343)
chore: clean up pyproject.toml files, use core a7 (#33334)
chore(infra): pdm -> hatchling (#33289)
release(deepseek): 1.0.0a1 (#33228)
docs: v1 docs updates (#33173)
release: v1.0.0 (#32567)
docs: more standardization (#33124)
chore: bump ruff version to 0.13 (#33043)
style: repo linting pass (#33089)
fix(openai): pin upper bound to prevent Pydantic 2.7.0 issues (#33038)
chore: update pyproject.toml files, remove codespell (#33028)
revert: "chore: remove ruff target-version" (#32895)
chore: remove ruff target-version (#32880)
chore: adress pytest-asyncio deprecation warnings + other nits (#32696)
fix(deepseek): Deep Seek Model for LS Tracing (#32575)
feat(docs): improve devx, fix Makefile targets (#32237)
fix: LLM mimicking Unicode responses due to forced Unicode conversion of non-ASCII characters. (#32222)
fix(docs): capitalization, codeblock formatting, and hyperlinks, note blocks (#32235)
Oct 17, 2025
1.0.0rc2 pre-release
Oct 17, 2025
1.0.0rc1 pre-release
Oct 16, 2025
1.0.0a15 pre-release
Oct 15, 2025
1.0.0a14 pre-release
Oct 11, 2025
1.0.0a13 pre-release
Oct 10, 2025
1.0.0a12 pre-release
Oct 6, 2025
1.0.0a11 pre-release
Oct 6, 2025
1.0.0a10 pre-release
Sep 29, 2025
1.0.0a9 pre-release
Sep 24, 2025
1.0.0a8 pre-release
Sep 24, 2025
1.0.0a7 pre-release
Sep 23, 2025
1.0.0a6 pre-release
Sep 19, 2025
1.0.0a5 pre-release
Sep 12, 2025
1.0.0a4 pre-release
Sep 8, 2025
1.0.0a3 pre-release
Sep 2, 2025
1.0.0a2 pre-release
Aug 28, 2025
1.0.0a1 pre-release
Aug 27, 2025
0.4.0.dev0 pre-release
Aug 5, 2025
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