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inclusionAI

Ling 3.1 Flash

Its upgrade, Ling 3.1 Flash 1019, is a separate entry (the old weights stay published and can be chosen by ID).

FTI
16–21

3 sources, 0 independent of the vendor: centre 19; fewer than 3 sources or none independent, so shown as a band. Vendor claims only: low confidence.

how FTI is computed

3 sources · between #20 and #27 of the 72 with an FTI score
Context262Ktokens
Imagesnoimage input
Free now0 of 6channels
Tested by us6 of 6channels measured

Where it's free now 6 channels tracked

ended 18 days ago
works · Oct 415 parallel
Checked Oct 16 · listing only
Kilo Code ended
ended 20 days ago
works · Oct 16
Checked Oct 16 · agent run
ended 20 days ago
works · Oct 6throttled under load
Checked Oct 14 · catalogue
ended 19 days ago
works · Oct 6per-IP limit
Checked Oct 15 · catalogue
Ant Ling ended
ended 19 days ago
works · Oct 95 parallel
Checked Oct 15 · listing only

Free periods one bar per channel; markers are events

free so farpast announced endofficial end aheadinferred end aheadno end announcedended / not answering● event · ◆ end announced · tap one to see it

What happened newest first · times link to the source

Fri, Oct 1618 days ago
Command Code delisted the free variant inclusionai/ling-3.1-flash:free; the model page now bills $0.30/$0.90/$0.06 per 1M (input/output/cache read, Go plan and above); no end date announced - the "free while it lasts" deal was replaced by a boosted credits deal (GOAT $100 / Pro $110) → end date Oct 16
Source: Command Code model pages (own checks) · free-to-paid window 2026-10-14 - 2026-10-16 (still $0.00/M on 2026-10-14, paid by 2026-10-16T00:01Z); also checked the model catalogue, pricing-limits docs and a 2026-10-09 Wayback snapshot of the model page
Ant Ling's billing upgrade notice sets the end of the daily 500K-token free allowance: 2026-10-31 23:59:59 (Beijing time), after which free credits become a ¥10 voucher issued on the 1st of each month (accounts that upgrade early get a one-off ¥20 voucher, valid 60 days); the official API still answered 200 on 2026-10-16 (usage 36/30/66 tokens, no cost field in the response) → end date Oct 31
Source: Ant Ling billing upgrade notice (zh-CN) · the FAQ still lists the daily quota with no end date; the upgrade notice sets 2026-10-31 - both sources kept
Thu, Oct 1519 days ago
Ant's own pricing page now bills Ling-3.1-flash pay-as-you-go at ¥0.50/¥1.50 per 1M with a limited-time 75% discount (list ¥2.00/¥6.00), replacing "限时免费 2 周"; the post-trial pricing is published after "rates to be announced" → end date Oct 14
OpenCode Zen dropped Ling 3.1 Flash: no longer in the free model catalogue or the paid one, and the chat endpoint answers "Model is unavailable" (a control free model still answered 403 FreeTierError); no changelog entry → end date Oct 15
Source: OpenCode Zen models API and chat endpoint (own checks) · removal window 2026-10-14T08:00Z - 2026-10-15T00:05Z; still in the catalogue on 10-14 08:00Z
Wed, Oct 1420 days ago
Ant's official two-week trial ended 2026-10-13: OpenRouter bills $0.075/$0.225 per 1M (75% off promo), Kilo Code and Vercel AI Gateway $0.30/$0.90; Vercel's -free model ID stops serving and OpenRouter's free variant is gone from the catalogue → end date Oct 13
became availableLing 3.1 Flash · Command Codeended
Still $0.00/M on input, output and cache after the trial ended elsewhere: "free while it lasts", credits never draw down, available on the Go plan and above
Tue, Oct 628 days ago
Answered a test prompt through the Kilo CLI (7.8.3, roll-call) without signing in
Source: own check
Answered a test prompt through the OpenCode CLI (opencode run) with no account
Source: own check
became availableLing 3.1 Flash · Kilo Codeended
Kilo marks inclusionai/ling-3.1-flash free on purpose (Kilo-Org/cloud PR #7114); it answers without signing in and passed headless agent tasks, with an upstream 429 under load
Listed at $0 in Vercel AI Gateway's own catalogue (standing free tier); not called by us yet
Tested with a Vercel AI Gateway key: Ling 3.1 Flash (Free) answers but is capped at 5 requests per minute per team (per region); Laguna S 2.1 Free returned 503
Source: own check
limit changedLing 3.1 Flash · Vercel AI Gatewayended
After buying AI Gateway credits (paid tier removes Vercel's per-model limit) the free Ling 3.1 Flash still costs $0 but the Novita upstream returned 503 for most calls: 10/10 once, then mostly 503 at 3–15 parallel
Source: own check
Sun, Oct 430 days ago
02:45limit changedLing 3.1 Flash · Command Codeended
Free limit raised to 300 requests/day
Fri, Oct 232 days ago
Added to Kilo's model catalogue as "inclusionAI: Ling 3.1 Flash (new)" at $0 per token (Kilo's own record date)
Listed on OpenRouter as inclusionai/ling-3.1-flash at $0 (OpenRouter's catalogue record date)
Added to the Zen model docs: Ling 3.1 Flash
Wed, Sep 3034 days ago
01:10free offer announcedLing 3.1 Flash · Command Codeended
Made free in Command Code ("while it lasts")
Source: Command Code on X · link not recorded
became availableLing 3.1 Flash · Vercel AI Gatewayended
Announced on the Vercel changelog: Ling 3.1 Flash
free offer announcedLing 3.1 Flash · Ant Lingended
Ling 3.1 Flash launched on the official Ant Ling API, free for 2 weeks: Ling 3.1 Flash → end date Oct 14

Channel details

Command Code ended✕ humans✕ agents

Tested by us
works · Oct 415 parallel
ⓘchecked Oct 4
Model ID
inclusionai/ling-3.1-flash:free
To start
Free models need the Go plan ($1/month + processing fee) or higher
Use it
API · 3 formatshuman only
Free condition
Go plan ($1/month) or higher; the free model costs no credits "while it lasts"
Limit (stated)
published
ⓘfree while it lasts; credits never draw down
Started
Sep 30, 01:10 UTC
End
ended 18 days ago Oct 16no end date published: "free while it lasts", needs a Go plan or above - re-check daily
Data policy
may train
Channel type
agent tool
Checked
Oct 16 · listing only

Kilo Code ended✕ humans✕ agents

Tested by us
works · Oct 16
ⓘanswered but billed $0.0088; anonymous 401 · checked Oct 16
Model ID
inclusionai/ling-3.1-flash
To start
$0 · no account ":free" models answered in the Kilo CLI without signing in (our test, Oct 6); other models need a Kilo account; non-":free" models answer 401 without sign-in (PAID_MODEL_AUTH_REQUIRED, seen 2026-10-16)
Use it
API · OpenAI chat
Free condition
Kilo account; $0 per token on Kilo's model list
Limit (stated)
not published
Started
Oct 2
End
ended 20 days ago Oct 14
Data policy
unstated
Channel type
agent tool
Checked
Oct 16 · agent run

OpenRouter ended✕ humans✕ agents

Tested by us
works · Oct 6throttled under load
ⓘchecked Oct 6
Model ID
inclusionai/ling-3.1-flash
To start
$0 · account Free plan: 50 requests/day
Use it
API · 3 formats
Free condition
OpenRouter account and API key; models marked :free cost $0
Limit (stated)
50/day
ⓘ1000/day once 10+ credits have been bought
Started
Oct 2
End
ended 20 days ago Oct 14
Data policy
unstated
Channel type
router
Checked
Oct 14 · catalogue

OpenCode Zen ended✕ humans✕ agents

Tested by us
works · Oct 6per-IP limit
ⓘchecked Oct 6 · 2 checks · from 2 networks
Model ID
opencode/ling-3.1-flash-free
To start
$0 · no account Free models run inside the OpenCode app with no account; the Zen API key route needs billing details
Use it
CLI only
Free condition
Inside the OpenCode app, no account; the raw API refuses free models (403 FreeTierError)
Limit (stated)
not published
Started
Oct 2
End
ended 19 days ago Oct 15
Data policy
may train
Channel type
agent tool
Checked
Oct 15 · catalogue

Vercel AI Gateway ended✕ humans✕ agents

Tested by us
often busy0 credits used
ⓘchecked Oct 6
Model ID
inclusionai/ling-3.1-flash-free
To start
$0 · account Vercel account; free models plus $5/month gateway credit per team; a payment method may be required before use ("customer_verification_required")
Use it
API · 3 formats
Free condition
Vercel AI Gateway key; models marked Free
Limit (stated)
not published
ⓘlower per-model rate limits on the free tier
Started
Sep 30
End
ended 20 days ago Oct 14
Data policy
unstated
Channel type
router
Checked
Oct 14 · listing only

Ant Ling ended✕ humans✕ agents

Tested by us
works · Oct 95 parallel
ⓘ2 requests/s cap counts new requests, not concurrency · checked Oct 9
Model ID
Ling-3.1-flash
To start
$0 · account Ant Ling (蚂蚁百灵) developer account, signed in with a phone code; paying needs a personal Alipay account, the free quota does not
Use it
API · 2 formats
Free condition
Official Ant Ling API: models priced 0 during their launch promotions; "free for 2 weeks", then billed
Limit (stated)
120/min
ⓘ2 requests a second; 256K context on the official API
Started
Sep 30
End
ended 19 days ago Oct 15"free for 2 weeks" from the 2026-09-30 launch; flip seen on the pricing page dated 2026-10-14 (checked 2026-10-15)
Data policy
unstated
Channel type
first-party
Checked
Oct 15 · listing only