Reasoning effort
NyowaniModel inofunga inodzosa reasoning text padivi pemhinduro, mu-field yayo pachayo. Pa-hosted open-weight models request field imwe inosarudza kudzika kwekufunga kwe-model isati yapindura.
POST https://api.shannon-ai.com/v1/chat/completions
from openai import OpenAI
client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.shannon-ai.com/v1")
response = client.chat.completions.create(
model="Kimi-K3-3BIT-REAP",
reasoning_effort="low",
messages=[{"role": "user", "content": "Is 221 a prime number?"}],
)
message = response.choices[0].message
print("Reasoning:", getattr(message, "reasoning_content", None))
print("Answer:", message.content)
print("Reasoning tokens:", response.usage.completion_tokens_details.reasoning_tokens) import OpenAI from "openai";
const client = new OpenAI({ apiKey: "YOUR_API_KEY", baseURL: "https://api.shannon-ai.com/v1" });
const response = await client.chat.completions.create({
model: "Kimi-K3-3BIT-REAP",
reasoning_effort: "low",
messages: [{ role: "user", content: "Is 221 a prime number?" }],
});
const message = response.choices[0].message;
console.log("Reasoning:", message.reasoning_content);
console.log("Answer:", message.content);
console.log("Reasoning tokens:", response.usage.completion_tokens_details.reasoning_tokens); curl https://api.shannon-ai.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "Kimi-K3-3BIT-REAP",
"reasoning_effort": "low",
"messages": [
{"role": "user", "content": "Is 221 a prime number?"}
]
}' Mhinduro inotakura reasoning text mu-reasoning_content, mhinduro mu-content, ne-reasoning tokens mu-usage:
{
"id": "chatcmpl-2a6c8e0b4d1f4a3c9e7b5d3f1a8c6e4b",
"object": "chat.completion",
"created": 1791590400,
"model": "Kimi-K3-3BIT-REAP",
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "No. 221 = 13 x 17, so it is not prime.",
"reasoning_content": "Try small primes. 221 / 13 = 17, so 221 = 13 x 17."
},
"finish_reason": "stop"
}
],
"usage": {
"prompt_tokens": 14,
"completion_tokens": 43,
"total_tokens": 57,
"prompt_tokens_details": {"cached_tokens": 0},
"completion_tokens_details": {"reasoning_tokens": 27}
}
} Ma-model anofunga
| Model | Inodzosa reasoning text | Inoshandisa effort field |
|---|---|---|
shannon-1.6-lite | — | — |
shannon-1.6-pro, shannon-2-lite, shannon-2-pro, shannon-3, shannon-3-pro, shannon-3.1, shannon-3.1-pro, shannon-coder-1 | Hongu | — |
| Hosted open-weight model imwe neimwe | Hongu | Hongu |
Idzi ndidzo flags capabilities.reasoning ne-capabilities.reasoning_effort dzinoratidzwa ne-GET /v1/models pa-id imwe neimwe. Mhinduro inotakura reasoning text chete kana model yagadzira. Ma-model nemitengo
Kuisa effort
Endpoint imwe neimwe ine manyorerwo ayo e-effort. Ese anosarudza imwe yema-level mana akafanana.
| Field | Mhando | Default | Tsananguro | Inoshandiswa ne |
|---|---|---|---|---|
reasoning_effort | string | high | /v1/chat/completions. Kudzika kwekufunga kwe-model isati yapindura: off, low, medium kana high. | Hosted open-weight models |
reasoning | object | string | /v1/chat/completions. Value imwechete se-{"effort": "low"} kana se-string chete. Kana ma-field ese maviri akatumirwa, reasoning_effort ndiyo inoverengwa. | Hosted open-weight models | |
reasoning.effort | string | high | /v1/responses. Inonyorwa se-object {"effort": "low"}. | Hosted open-weight models |
thinking | object | /v1/messages. {"type": "enabled", "budget_tokens": n} kana {"type": "disabled"}. Budget inosarudza imwe yema-level; tarisa tafura iri pazasi. | Hosted open-weight models |
{
"model": "Kimi-K3-3BIT-REAP",
"reasoning_effort": "low",
"messages": [{"role": "user", "content": "Is 221 a prime number?"}]
} {
"model": "Kimi-K3-3BIT-REAP",
"reasoning": {"effort": "low"},
"input": "Is 221 a prime number?"
} {
"model": "Kimi-K3-3BIT-REAP",
"max_tokens": 1024,
"thinking": {"type": "enabled", "budget_tokens": 2048},
"messages": [{"role": "user", "content": "Is 221 a prime number?"}]
} | Value | Dzinogamuchirwawo | Mhedzisiro |
|---|---|---|
off | none, minimal | Hapana reasoning. Mhinduro haitakure reasoning text. |
low | Kufunga pfupi. | |
medium | default | Kudzika kwepakati. |
high | max | Level yakadzika kwazvo. Ndiyo level ye-request isingatumiri value. |
- Values dzinoverengwa pasina kutarisa mavara makuru kana madiki.
- Value
defaultinorevamedium. Kusiya field kunze kunorevahigh. - Shannon models (
shannon-*) dzinozvisarudzira kudzika kwadzo pa-request imwe neimwe;GET /v1/modelsinoratidzareasoning_effort: falsekwadziri.
Thinking budget pa-/v1/messages
Pa-/v1/messages thinking field inosarudza level. budget_tokens inosarudza imwe yema-level ari pamusoro; haisi token limit yayo. adaptive inoverengwa se-enabled.
| Unotumira | Level |
|---|---|
{"type": "disabled"} | off |
{"type": "enabled", "budget_tokens": n} ne-n kusvika ku-2,048 | low |
n kubva ku-2,049 kusvika ku-8,192 | medium |
n huru, kana enabled isina budget_tokens | high |
Hapana thinking field | high |
Kunosvika reasoning text
Reasoning text inogara yakaparadzaniswa nemhinduro. Format imwe neimwe ine nzvimbo yayo:
| Endpoint | Isiri streamed | Streamed |
|---|---|---|
/v1/chat/completions | choices[0].message.reasoning_content: string, kana null kana model isina kugadzira. | Ma-chunk ane choices[0].delta.reasoning_content, pamberi pema-chunk ane delta.content. |
/v1/responses | output item {"type": "reasoning", "summary": [{"type": "summary_text", "text": "…"}]} pamberi pe-message item. Hapana item kana pasina reasoning. | response.output_item.added ine reasoning item, wozoteverwa ne-response.reasoning_summary_text.delta events ne-response.reasoning_summary_text.done imwe. |
/v1/messages | Content block yekutanga {"type": "thinking", "thinking": "…"}, wozoteverwa ne-text block. Hapana thinking block kana pasina reasoning. | thinking content block: content_block_start, content_block_delta events ne-thinking_delta, content_block_stop. Text block inotevera. |
{
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "No. 221 = 13 x 17, so it is not prime.",
"reasoning_content": "Try small primes. 221 / 13 = 17, so 221 = 13 x 17."
},
"finish_reason": "stop"
}
],
"usage": {
"prompt_tokens": 14,
"completion_tokens": 43,
"total_tokens": 57,
"prompt_tokens_details": {"cached_tokens": 0},
"completion_tokens_details": {"reasoning_tokens": 27}
}
} {
"output": [
{
"id": "rs_6f0a2c4e8b1d4f3a9c7e5b3d1f8a6c4e",
"type": "reasoning",
"summary": [
{
"type": "summary_text",
"text": "Try small primes. 221 / 13 = 17, so 221 = 13 x 17."
}
]
},
{
"id": "msg_1b3d5f7a9c2e4b6d8f0a2c4e6b8d0f1a",
"type": "message",
"role": "assistant",
"status": "completed",
"content": [
{
"type": "output_text",
"text": "No. 221 = 13 x 17, so it is not prime.",
"annotations": []
}
]
}
],
"usage": {
"input_tokens": 14,
"input_tokens_details": {"cached_tokens": 0},
"output_tokens": 43,
"output_tokens_details": {"reasoning_tokens": 27},
"total_tokens": 57
}
} {
"content": [
{
"type": "thinking",
"thinking": "Try small primes. 221 / 13 = 17, so 221 = 13 x 17."
},
{"type": "text", "text": "No. 221 = 13 x 17, so it is not prime."}
],
"stop_reason": "end_turn",
"usage": {
"input_tokens": 14,
"cache_read_input_tokens": 0,
"cache_creation_input_tokens": 0,
"output_tokens": 43
}
} Kwekutarisa, pa-model:
| Ma-model | Kunosvika text |
|---|---|
| Hosted open-weight models | Pa-endpoint imwe neimwe, streamed kana kwete. Request ine effort off, kana ine response_format / text.format, inopindurwa pasina reasoning text. |
shannon-3, shannon-3-pro, shannon-3.1, shannon-3.1-pro | Pa-endpoint imwe neimwe, streamed kana kwete, chero kana model yagadzira reasoning text. |
shannon-2-lite, shannon-2-pro | /v1/chat/completions, isiri streamed: mu-message.reasoning_content. Streamed, mu-request isina tools kana response_format: stream inotakura comment lines : thinking apo model ichifunga, wozouya answer chunks. /v1/messages, streamed: thinking block pamberi pe-text block. |
shannon-1.6-pro, shannon-coder-1 | Mu-streamed replies nemu-replies ku-requests dzinotakura tools, chero kana model yagadzira reasoning text. |
Pa-/v1/responses, mhinduro isiri streamed inotakura reasoning item ye-mhuri ye-Shannon 3 ne-hosted open-weight models.
Kuverenga stream
Mu-stream reasoning text inouya kutanga, mu-deltas dzayo, uye mhinduro inotevera. Priinta kana chengeta zviviri izvi zvakasiyana:
from openai import OpenAI
client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.shannon-ai.com/v1")
stream = client.chat.completions.create(
model="Kimi-K3-3BIT-REAP",
reasoning_effort="medium",
stream=True,
messages=[{"role": "user", "content": "Is 221 a prime number?"}],
)
for chunk in stream:
if not chunk.choices:
continue
delta = chunk.choices[0].delta
reasoning = getattr(delta, "reasoning_content", None)
if reasoning:
print(reasoning, end="", flush=True) # the reasoning text comes first
if delta.content:
print(delta.content, end="", flush=True) # then the answer import OpenAI from "openai";
const client = new OpenAI({ apiKey: "YOUR_API_KEY", baseURL: "https://api.shannon-ai.com/v1" });
const stream = await client.chat.completions.create({
model: "Kimi-K3-3BIT-REAP",
reasoning_effort: "medium",
stream: true,
messages: [{ role: "user", content: "Is 221 a prime number?" }],
});
for await (const chunk of stream) {
const delta = chunk.choices[0]?.delta ?? {};
if (delta.reasoning_content) process.stdout.write(delta.reasoning_content); // the reasoning text comes first
if (delta.content) process.stdout.write(delta.content); // then the answer
} curl -N https://api.shannon-ai.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "Kimi-K3-3BIT-REAP",
"reasoning_effort": "medium",
"stream": true,
"messages": [
{"role": "user", "content": "Is 221 a prime number?"}
]
}' Chunk yekutanga ye-hosted open-weight model, reasoning kana mhinduro, inotakurawo delta.role: "assistant". Kuyerera
Reasoning tokens ne-billing
Pa-hosted open-weight models, reasoning tokens i-output tokens: dzinobhadharwa pa-output price ye-model, uye output count yatoidzisanganisira. usage inoratidza reasoning share pano:
| Endpoint | Field | Note |
|---|---|---|
/v1/chat/completions | usage.completion_tokens_details.reasoning_tokens | Yatoiswa mu-completion_tokens. |
/v1/responses | usage.output_tokens_details.reasoning_tokens | Yatoiswa mu-output_tokens. |
/v1/messages | usage.output_tokens | Reasoning nemhinduro pamwe chete. Format iyi haina count yakasiyana. |
- Pa-hosted open-weight models
max_tokensinogumira text yemhinduro. Reasoning tokens hadziverengwi pairi. - Nekuti reasoning inobhadharwa se-output, effort level iri zvakare cost setting:
offhaigadzire reasoning tokens. - Shannon models dzinoratidza
prompt_tokens,completion_tokensne-total_tokens(input_tokensne-output_tokenspa-/v1/messages) pasina reasoning share, uye dzinobhadharisa mutengo mumwe wakatarwa pa-token imwe. Ma-model nemitengo
Reasoning mu-request inotevera
Hauna kufanira kutumira reasoning kudzoka. thinking block kana reasoning item muhurukuro yaunotumira haipiwi kuna model, saka assistant turn inogona kudzoka iine kana isina. thinking block ine ma-field maviri type ne-thinking; haina signature.
Errors
| Status | Mhando | Message | Rinhi |
|---|---|---|---|
400 | invalid_request_error | unknown reasoning effort '<value>'; expected off, low, medium or high | Hosted open-weight model yagamuchira value iri kunze kwe-list, semuenzaniso xhigh. Hapana chinobviswa mu-balance yako. |
422 | invalid_request_error | Failed to deserialize the JSON body into the target type: … | reasoning_effort haisi string. |
Authentication, balance ne-server errors zvakafanana nepa-request imwe neimwe. Zvikanganiso