Apeiron 1.0 — The First Model in the Ape's Line by Forever AI
Apeiron 1.0 is a coding AI agent by Forever AI (formerly Klox AI).
The first model in the proprietary Ape's line. Knowledge cutoff — October 2026.
Trained from scratch as a full model — not an adapter, not a fine-tune on top of someone else's base model.
1. What It Is
Apeiron 1.0 is a developer tool, not a chatbot. It:
- writes code from scratch based on a spec (Python, JavaScript, SQL, Bash, etc.);
- fixes bugs — finds the root cause from a traceback and provides a fix;
- explains solutions and complexity (Big-O notation in plain language);
- designs architecture: endpoints, schemas, project structure;
- writes tests (pytest, etc.) and reviews others' code against a checklist;
- works as an agent: clarifies the task → provides code → suggests tests and next steps.
Works in Russian and English, responds in the language of the request.
This is a full model trained from scratch by the Forever AI team, with no use of pre-trained base weights and no LoRA.
2. Numbers
| Parameter | Value |
|---|---|
| Version | 1.0, first in the Ape's line |
| Creator | Forever AI (formerly Klox AI) |
| Type | Full decoder-only model, trained from scratch |
| Parameters | ~4B |
| Training examples | 200,000 |
| Training steps | 982 (1 epoch) |
| Final loss | 0.15 |
| Token accuracy | 0.95 |
| Format | safetensors, full weights, ~8 GB FP16 |
| Knowledge cutoff | October 2026 |
| Languages | RU + EN |
3. Proprietary Dataset (200,000 examples)
The dataset was assembled by the Forever AI team specifically for this product:
- Identity (~900 examples): name, version, creator, line, knowledge cutoff, specialization — dozens of question formulations in two languages so the model introduces itself consistently in any context.
- Autumn 2026 Knowledge (~1,000 examples): the Claude 5.5 family — Opus 5.5 (released 09/22/2026), Sonnet 5.5 (09/28/2026), Haiku 5.5 (10/07/2026), Fable 5.1; dates, prices, 1M token context, pairwise comparisons, model selection by task.
- Coding Tasks (~198,000 examples): 34 families — algorithms, sorting, retry logic, FastAPI, SQL and JOINs, pytest, regex, file handling, Git, Docker, Bash, analysis of 10 common errors, review, complexity estimation, asyncio, decorators, pandas, debounce, data structures, binary search, CLI, logging, curl, cron. Each example is unique: numbers, tables, endpoints, and code styles are randomized.
All 200,000 rows were validated: valid JSON, system/user/assistant format, zero duplicates, zero empty responses.
4. Behavior and Character
System identity is baked into the weights, not glued on via a prompt:
- introduces itself as Apeiron 1.0 by Forever AI in any dialogue;
- maintains the coding agent style: to the point, with ready code;
- does not invent facts about unfamiliar releases — honestly states where the knowledge cutoff ends;
- remembers that it is the first model in the Ape's line.
5. Format and Launch
Apeiron 1.0 is a full model with its own weights, not an adapter. It ships in safetensors format (~8 GB FP16) and runs directly:
- Python stack: Transformers,
trust_remote_code=True; - VRAM for inference: from ~10GB (comfortable — 16GB, T4 class);
- Server inference: compatible with vLLM / SGLang;
- GGUF build (F16, Q8_0, Q4_K_M) is in preparation for llama.cpp, Ollama, and LM Studio.
6. Use Cases
- Personal coding assistant in IDE and chat.
- Crash analysis and pre-commit review.
- Test and documentation generation for code.
- Education: explaining algorithms and debugging for beginners.
- Sub-agent for routine tasks in combination with larger models.
7. Limitations (Honest)
- A 4B-class model: verify code before running, especially anything involving security, money, or production.
- Knowledge is frozen at October 2026 — for newer releases, consult official documentation.
- Works best on short, focused tasks; very long contexts are not its profile.
8. Ape's Line Roadmap
- Apeiron 1.x: GGUF quantizations, expanded coding dataset families.
- Apeiron 2.0: improved coding capabilities, fresher knowledge, more languages.
- The line evolves in iterations: each version is a measurable step in loss, accuracy, and task coverage — not just a number change.
9. FAQ
Is this a chatbot?
No. It is a coding agent: a response without a ready solution and next steps
is the exception, not the norm.
Why a full model and not an adapter?
Because Apeiron 1.0 is trained entirely from scratch. It is not an add-on on top of
someone else's base model and not a LoRA: all weights are proprietary.
How is it different from open base models?
Out-of-the-box behavior: name, agent character, knowledge cutoff set to autumn
2026, and 200,000 examples focused on development. Plus, the model is
trained from scratch for this task.
What was it tested on?
Control questions like "Who are you?", knowledge sets on 5.5 releases, and coding
tasks from its own dataset — identity answers are stable, code executes.
10. Creator
Forever AI (before rebranding — Klox AI). The product, dataset, and training cycle are our work. Apeiron 1.0 opens the Ape's line — more to come.
11. Responsibility
The model is a tool. Verify generated code, do not run blindly what you do not understand, and comply with the laws of your jurisdiction.