JT-4.1 Flash 236B A21B measured on 3 of 23 Coding benchmarks3
BenchmarkByScoreRank
Coding1
Agents2
No benchmark matches
—per task?
API price not publicprice
—output speed?
262Kcontext
Alternatives?
ModelScoreCostPer taskWhat changes
BetterGPT-6 Lunamax+5%—$0.068Function calling only with none · Chat Completions+3
OpenMiMo v2.6 Prothinking+17%—$0.13Pass back reasoning_content+3
BetterClaude Haiku 5.5max+6%—$0.21Remove sampling parameters+5BetterGPT-5.6 Sollow+8%—$0.26
BetterDeepSeek V4.1 Flash 1017maxOpen+8%—$0.26Pass back reasoning_content · Chat Completions+4ModelScoreCostPer taskWhat changes
Nothing here yet.
ModelScoreCostPer taskWhat changes
GPT-6 Lunamax+5%—$0.068Function calling only with none · Chat Completions+3MiMo v2.6 ProthinkingOpen+17%—$0.13Pass back reasoning_content+3Claude Haiku 5.5max+6%—$0.21Remove sampling parameters+5GPT-5.6 Sollow+8%—$0.26DeepSeek V4.1 Flash 1017maxOpen+8%—$0.26Pass back reasoning_content · Chat Completions+4ModelScoreCostPer taskWhat changes
MiMo v2.6 ProthinkingOpen+17%—$0.13Pass back reasoning_content+3
Kimi K3maxOpen+14%—$2.00Sampling parameters are fixed+3
GLM 5.3maxOpen+14%—$2.01No image input+4
Step 5 PreviewthinkingOpen+13%—$1.03web_search not available · Chat Completions+2
Muse Spark OpenxhighOpen+12%—$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1ModelScoreCostPer taskWhat changes
CJT 35B Flashn/a——Context: 262K → 256K+1CJT Minin/a——Context: 262K → 128K+1All China Mobile models →FAQ
How much does JT-4.1 Flash 236B A21B cost?›
There is no per-unit API price: API price not public.
Is JT-4.1 Flash 236B A21B free to use?›
There is no free API.
How good is JT-4.1 Flash 236B A21B, and what is it best at?›
#29 of 336 in Chat & Knowledge, #48 of 134 in Coding, #42 of 135 in Agents & Tool Use, #86 of 125 in Vision & Documents. Strongest at: Reasoning, Long context, Knowledge.
Is JT-4.1 Flash 236B A21B better than Qwen3.8 Max (0902)?›
On SciCode, JT-4.1 Flash 236B A21B scores 52 vs 52.1 — about the same.
What is the context window of JT-4.1 Flash 236B A21B?›
262K tokens.
When was JT-4.1 Flash 236B A21B released? Is there a newer version?›
Released 2026-07-09. It is the current version in its line.
Is JT-4.1 Flash 236B A21B open source?›
No, JT-4.1 Flash 236B A21B is a closed model available through an API. The closest open-weights option here is MiMo v2.6 Pro.
Can JT-4.1 Flash 236B A21B read images?›
It accepts text and images as input.
What is JT-4.1 Flash 236B A21B?›
JT-4.1 Flash 236B A21B is a closed language model from China Mobile, released Jul 2026.
What are the best alternatives to JT-4.1 Flash 236B A21B?›
GPT-6 Luna (better), MiMo v2.6 Pro (open weights).