Omen Alpha
opencode-go/omen-alphaBy opencode-go · released 2026-09-04
Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.
Capabilities
Model fit scores
0–100 · higher is betterThese scores reward declared capabilities, context size, price and provider availability — they are not benchmark results. Use them as a directional signal alongside your own evaluation.
Coding85
- Tool calling40/40
- Structured output20/20
- Reasoning10/10
- Context window (100K → 1M)14/20
- Provider availability1/10
Agents91
- Tool calling35/35
- Structured output25/25
- Reasoning15/15
- Output token limit15/15
- Provider availability1/10
JSON / structured output98
- Structured output / JSON mode50/50
- Tool calling20/20
- Temperature control10/10
- Price-friendly for high-volume18/20
Cost efficiency69
- Headline price (log-scaled)64/95
- Has prompt-cache pricing5/5
Long context75
- Context window (100K → 2M)65/90
- Has published price for full window10/10
Vision86
- Accepts image input50/50
- Context window (10K → 1M)25/30
- Has published price10/10
- Provider availability1/10
Production-readiness65
- Number of independent providers5/40
- Has published per-token price20/20
- Context window ≥ 8K15/15
- No data inconsistencies across providers10/10
- Official model (not derivative)15/15
Cost Efficiency Index
Open full calculator →Estimated cost using the recommended provider's headline rate. Each scenario fixes average input/output tokens — the assumptions are shown in the third column.
| Scenario | Cost | Assumption |
|---|---|---|
RAG answer per 1,000 RAG answers | $1.33 < $0.01 per request | 5K input tokens (query + 4 retrieved chunks of ~1K each) and a 500-token answer. Typical SaaS knowledge-base bot. |
Support ticket triage per 10,000 tickets | $2.66 < $0.01 per request | 1K input tokens (ticket body + system prompt) and a 100-token JSON classification reply. High-volume customer support. |
Data extraction per 1,000 documents | $0.73 < $0.01 per request | 2K input tokens (a single document page) and a 500-token JSON extraction. ETL / invoice / form pipelines. |
Code review per 1,000 PRs | $2.26 < $0.01 per request | 8K input tokens (diff + surrounding files) and a 1K-token review comment. PR-bot workloads. |
Agent step per 1,000 steps | $2.80 < $0.01 per request | 12K input tokens (long-running tool history) and a 600-token tool-call decision. Cost per agent step. |
Pricing detail
Recommended pricing from opencode-go · omen-alpha
Available on 1 providers
| Provider | Provider model id | Input / 1M | Output / 1M | Context | Released |
|---|---|---|---|---|---|
| OpenCode Go opencode-go | omen-alpha | $0.200 | $0.660 | 500K | 2026-09-04 |
Frequently asked questions
How much does Omen Alpha cost?
Omen Alpha costs $0.200 per 1M input tokens and $0.660 per 1M output tokens, sourced from opencode-go. Cache reads, audio tokens and >200K-context tiers (where applicable) are listed in the Pricing detail block above.
What is the context window of Omen Alpha?
Omen Alpha has a context window of 500K tokens, with a max output of 128K tokens per reply. This is the total combined size of prompt + completion.
Does Omen Alpha support tool calling?
Yes. Omen Alpha supports tool calling (function calling). This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.
Does Omen Alpha support structured output / JSON mode?
Yes. Omen Alpha supports structured output / JSON-schema-constrained decoding. This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.
Can Omen Alpha accept image input?
Yes. Omen Alpha accepts both text and image input. Vision pricing per image is usually billed on top of the regular token rate — check opencode-go's docs for the exact rule.
Is Omen Alpha open-weight?
No. Omen Alpha is a proprietary model — only opencode-go (and any approved hosting partners) can serve it. The pricing above reflects the cheapest API access.
What are the best alternatives to Omen Alpha?
If Omen Alpha doesn't fit, consider MiMo-V2.6-Pro, MiMo V2.5, LongCat 2.5 Preview Free. Each one targets the same use case — see the Related links below for direct head-to-head pages.
Where does this data come from?
All numbers are normalised into a single canonical model record and reconciled with each provider's official documentation. We re-pull daily and write any changes (price, context, capability) to the /changelog page.
Explore more
More opencode-go models
- MiMo-V2.6-Pro$0.43 in / $0.87 out
- MiMo V2.5$0.14 in / $0.28 out
- LongCat 2.5 Preview FreeUnknown pricing
- MiMo V2 Omni$0.40 in / $2.00 out
- LongCat-2.0$0.30 in / $1.20 out
Capability lists this model is in
Last updated:
Pricing and capabilities are refreshed daily and reconciled against each provider's official documentation. Always verify critical production decisions with the provider directly.