GPT-OSS 20B gpt-oss-20b
openai · gpt-oss reasoning efficient
#20 overall #21 coding
- params
- 21B (A3.6B)
- arch
- moe
- context
- 128k
- license
- apache-2.0 open weights
- released
- Aug 2025
- reasoning
- yes
- train compute
- 5.5e+23 FLOP
- downloads/30d
- 7.0M
# why ranked
Overall: #20 — score 14.9 ● low — a single signal; treat with caution
| signal | weight | input (0–100) |
|---|---|---|
| aa_intelligence | 0.50 | 14.9 |
| arena_elo | 0.30 | — |
| bench_composite | 0.20 | — |
missing signals are dropped and the remaining weights renormalized — never imputed.
Coding: #21 — score 42.9 ● low — a single signal; treat with caution
| signal | weight | input (0–100) |
|---|---|---|
| aa_coding | 0.25 | 42.9 |
| aider_polyglot | 0.25 | — |
| arena_elo_code | 0.15 | — |
| swe_bench_verified | 0.35 | — |
missing signals are dropped and the remaining weights renormalized — never imputed.
# trend
# benchmarks
| benchmark | score | source | date |
|---|---|---|---|
| AA Coding Index | 20.7 | Artificial Analysis | — |
| AA Intelligence Index | 14.9 | Artificial Analysis | — |
| AA Math Index | 89.3 | Artificial Analysis | — |
# where to run
| provider | quant | ctx | $/M in | $/M out | $/M blend | tps | uptime |
|---|---|---|---|---|---|---|---|
| WandB | fp4 | 128k | $0.03 | $0.13 | $0.06 | — | 99.7% |
| DekaLLM | bf16 | 128k | $0.03 | $0.14 | $0.06 | — | 95.1% |
| DeepInfra | bf16 | 128k | $0.03 | $0.14 | $0.06 | — | 99.8% |
| Novita | fp4 | 128k | $0.04 | $0.15 | $0.07 | — | 96.5% |
| Phala | unknown | 128k | $0.04 | $0.15 | $0.07 | — | 98.2% |
| SiliconFlow | fp8 | 128k | $0.04 | $0.18 | $0.07 | — | 99.4% |
| Parasail | fp4 | 128k | $0.04 | $0.20 | $0.08 | — | 93.7% |
| Together | unknown | 128k | $0.05 | $0.20 | $0.09 | — | — |
| Amazon Bedrock | unknown | 128k | $0.07 | $0.15 | $0.09 | — | — |
| Amazon Bedrock | unknown | 128k | $0.07 | $0.15 | $0.09 | — | 96.9% |
| unknown | 128k | $0.07 | $0.25 | $0.12 | — | — | |
| Fireworks | unknown | 128k | $0.07 | $0.30 | $0.13 | — | 99.2% |
| Groq | unknown | 128k | $0.07 | $0.30 | $0.13 | — | 99.9% |
blended = (3·input + output) / 4 per 1M tokens · cheapest first
source aliases
- aa
gpt-oss-20b- arena
gpt-oss-20b- openrouter
openai/gpt-oss-20b