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ERNIE 5.1vsgpt-oss-20b

ERNIE 5.1 leads 1 of 1 shared benchmark. gpt-oss-20b has the larger context window (131K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
1 – 0
ERNIE 5.1 leads
Cheaper per token
list price, input + output
Larger context
gpt-oss-20b
131K tokens
Provider uptime (30d)
— · 94.2446%
Baidu · OpenAI
ERNIE 5.1
Baidu · released 2026-05-09
text
Context
128K
Max out
66K
Input /1M
Output /1M
Cached /1M
Scores
2 · 2 core
gpt-oss-20b
OpenAI · released 2025-08-05
text
Context
131K
Max out
131K
Input /1M
Output /1M
Cached /1M
Scores
6 · 5 core
Quality

Benchmark matrix

BenchmarkERNIE 5.1gpt-oss-20bΔEdge
Reported by both · 1
LMArena Elo1468.2 1287.3 +180.9ERNIE 5.1
Only ERNIE 5.1 reports · 1
AIME 2026 (with tools)99.6% not reported
Only gpt-oss-20b reports · 4
SWE-bench Verifiednot reported60.7%
GPQA Diamondnot reported71.5%
AIME 2025not reported89.2% matharena
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported65.3% epoch
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is ERNIE 5.1 minus gpt-oss-20b in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecERNIE 5.1gpt-oss-20bEdge
Context window128K tokens131K tokensgpt-oss-20b
Max output66K tokens131K tokensgpt-oss-20b
Input price / 1M
Output price / 1M
Cached input / 1M
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
ModalitiestexttextTie
Released2026-05-092025-08-05
Cited benchmark scores26
Reliability

Provider status

All providers
More matchups

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Which one wins on your data?

Public benchmarks are a starting point. Run ERNIE 5.1 and gpt-oss-20b on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.