ModelsCompareBest forBenchmarksStatusPricingAPI
Compare / head-to-head

GPT-5.1vsQwen3-Coder-Plus

GPT-5.1 and Qwen3-Coder-Plus do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Qwen3-Coder-Plus is 3.9x cheaper per token. Qwen3-Coder-Plus has the larger context window (1M tokens).

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

Shared benchmarks
0
no overlap yet
Cheaper per token
Qwen3-Coder-Plus
3.9x cheaper, input + output
Larger context
Qwen3-Coder-Plus
1M tokens
Provider uptime (30d)
94.5763% · —
OpenAI · Qwen
GPT-5.1
OpenAI · released 2025-11-13
textvision
Context
400K
Max out
128K
Input /1M
$1.25
Output /1M
$10
Cached /1M
$0.125
Scores
6 · 6 core
Qwen3-Coder-Plus
Qwen · released 2025-07-22
text
Context
1M
Max out
Input /1M
$0.574
Output /1M
$2.29
Cached /1M
$0.057
Scores
1 · 1 core
Quality

Benchmark matrix

BenchmarkGPT-5.1Qwen3-Coder-PlusΔEdge
Reported by both · 0
No public benchmark is reported for both models yet.
Only GPT-5.1 reports · 6
GPQA Diamond87.6% epochnot reported
AIME 202594.2% matharenanot reported
LMArena Elo1422.6 not reported
OTIS Mock AIME 2024-2025 (Epoch AI run)88.6% epochnot reported
SimpleQA Verified48% epochnot reported
SWE-bench Verified (Epoch AI run)68% epochnot reported
Only Qwen3-Coder-Plus reports · 1
SWE-bench Verifiednot reported69.6%
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 GPT-5.1 minus Qwen3-Coder-Plus 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

SpecGPT-5.1Qwen3-Coder-PlusEdge
Context window400K tokens1M tokensQwen3-Coder-Plus
Max output128K tokens
Input price / 1M$1.25 $0.574 Qwen3-Coder-Plus
Output price / 1M$10 $2.29 Qwen3-Coder-Plus
Cached input / 1M$0.125 $0.057 Qwen3-Coder-Plus
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$11.25$2.87Qwen3-Coder-Plus
Modalitiestext · visiontextGPT-5.1
Released2025-11-132025-07-22
Cited benchmark scores61
Reliability

Provider status

All providers
More matchups

Qwen3-Coder-Plus vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run GPT-5.1 and Qwen3-Coder-Plus on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.