gpt-oss (OpenAI)
Free tier available
- Self-hosted (Free, Apache 2.0)$0
- API (OpenRouter / Together / Fireworks)$0.15/per 1M input tokens (120b tier)
Our pickgpt-oss (OpenAI)

Sudowrite
Tier-list head-to-head. gpt-oss (OpenAI) takes the A-tier slot — here's the breakdown.
Spec sheet
| Tier | A-tierwin | B-tier |
| Overall score | 8.1 / 10win | 7.3 / 10 |
| Free tier | Yeswin | No |
| Starting price | $0 | $10 |
| Best for | Developers who want OpenAI-brand open-weight reasoning models for self-hosting or fine-tuning. | Fiction writers who want an AI co-pilot that understands narrative, not just grammar. |
| Last reviewed | 2026-04-17 | 2026-04-02 |
Head-to-head
Rated 1-10 on the same rubric across all 130 tools we cover.
What you'll pay
Look past the headline number -- entry-tier limits drive most cost surprises.
Free tier available
No free tier
The decision
Use-case anchors and category strengths, side by side.
Developers who want OpenAI-brand open-weight reasoning models for self-hosting or fine-tuning. Particularly good for single-GPU deployments (gpt-oss-120b on one 80GB card) or edge-device reasoning (gpt-oss-20b on 16GB consumer GPUs / Apple Silicon). Also good as a reliable baseline when comparing newer open-weight releases.
Visit gpt-oss (OpenAI)Fiction writers who want an AI co-pilot that understands narrative, not just grammar. Particularly useful for NaNoWriMo participants and indie authors.
Visit SudowriteBottom line
gpt-oss (OpenAI) edges out Sudowrite by 0.8 points (8.1 vs 7.3) -- a A-tier vs B-tier split that's narrow but real. Not a blowout; both belong on a shortlist. The score gap shows up most clearly in the categories that matter for gpt-oss (OpenAI)'s strengths, so if those categories are your priority, the lead translates.
On pricing, gpt-oss (OpenAI) starts free while Sudowrite requires a paid plan from day one ($10+). If you're testing the waters or running an occasional workload, that gap matters more than the score differential. gpt-oss (OpenAI) starts at $0; Sudowrite starts at $10. Compare what each entry tier actually unlocks before you compare list prices -- the limits matter more than the headline number.
By use case: pick gpt-oss (OpenAI) when developers who want openai-brand open-weight reasoning models for self-hosting or fine-tuning. Pick Sudowrite when fiction writers who want an ai co-pilot that understands narrative, not just grammar. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in gpt-oss (OpenAI)'s lane, the tier-list ranking and the use-case fit point the same direction; if you're in Sudowrite's lane, the score gap matters less than the fit.
Bottom line: gpt-oss (OpenAI) is the safer default for most readers, but Sudowrite is competitive enough that the tie-breaker is your specific workload, not the spec sheet.
Keep digging
Full gpt-oss (OpenAI) review
Tier A · 8.1/10
Full Sudowrite review
Tier B · 7.3/10
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Built from our daily AI-tool sweep, last touched April 17, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.