Devstral 2 2512 vs Qwen3 Next 80B A3B Thinking
Qwen3 Next 80B A3B Thinking leads Devstral 2 2512 on the Artificial Analysis Intelligence Index, 11.2 to 8.6, and Qwen3 Next 80B A3B Thinking costs 1.7x less per output token ($1.20 vs $2.00 per million). Updated October 22, 2026; 2 benchmarks have a result for both.
Devstral 2 2512 or Qwen3 Next 80B A3B Thinking: which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Pick Devstral 2 2512 for work measured by AA Intelligence Index, where it leads.
- Shared results
- 2
- Devstral 2 2512 only
- 4
- Qwen3 Next 80B A3B Thinking only
- 28
- Like-for-like categories
- 2 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
No call
Neither has a coding score yet.
One side not measured
Intelligence
AA Intelligence Index
Qwen3 Next 80B A3B Thinking
Qwen3 Next 80B A3B Thinking leads, 11.2 against 8.6.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Devstral 2 2512 has a AA Agentic Index result, 2.3.
Directional only
Long documents
Listed context window
No call
Both take 262K tokens.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Qwen3 Next 80B A3B Thinking
Devstral 2 2512 $0.0014, Qwen3 Next 80B A3B Thinking $0.0008 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Devstral 2 2512 has the number, $1.19.
Directional only
At a glance
- Coding index
- Devstral 2 2512 not benchmarked, Qwen3 Next 80B A3B Thinking not benchmarked.
- Widest category
- Coding, 13.9 points apart on average over 1 shared benchmark.
- Widest single gap
- AA Coding Index: Devstral 2 2512 31.3 against Qwen3 Next 80B A3B Thinking 17.4, 13.9 points apart on a 0 to 100 scale.
- Output price
- Devstral 2 2512 $2.00 against Qwen3 Next 80B A3B Thinking $1.20 per million output tokens, 1.7x apart.
- Context window
- Both take 262K tokens.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | Devstral 2 2512 | Bars | Qwen3 Next 80B A3B Thinking | Ties |
|---|---|---|---|---|
| Coding | 1 | 0 | ||
| Intelligence | 0 | 1 | ||
| All shared boards | 1 | 1 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index10
| Benchmark | Devstral 2 2512 | Qwen3 Next 80B A3B Thinking | Leader |
|---|---|---|---|
| SWE-bench Verified | 53.8% | Not measured | Only Devstral 2 2512 measured |
| AA Coding Index | 31.3 | 17.4 | Devstral 2 2512 |
| LiveCodeBench (Vals AI) | 51.8% | Not measured | Only Devstral 2 2512 measured |
| SWE-bench Verified (Vals AI) | 62.8% | Not measured | Only Devstral 2 2512 measured |
| LMArena Text: coding | Not measured | 1392 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: software and IT | Not measured | 1393 | Only Qwen3 Next 80B A3B Thinking measured |
| Neither model has a result on the other 33 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Devstral 2 2512 | Qwen3 Next 80B A3B Thinking | Leader |
|---|---|---|---|
| AA Intelligence Index | 8.6 | 11.2 | Qwen3 Next 80B A3B Thinking |
| Neither model has a result on the other 1 board here | |||
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
| Benchmark | Devstral 2 2512 | Qwen3 Next 80B A3B Thinking | Leader |
|---|---|---|---|
| AA Agentic Index | 2.3 | Not measured | Only Devstral 2 2512 measured |
| Neither model has a result on the other 40 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index3 boards, none shared
| Benchmark | Devstral 2 2512 | Qwen3 Next 80B A3B Thinking | Leader |
|---|---|---|---|
| LMArena Text: hard prompts | Not measured | 1371 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: expert | Not measured | 1376 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: hard prompts in English | Not measured | 1384 | Only Qwen3 Next 80B A3B Thinking measured |
| Neither model has a result on the other 19 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | Devstral 2 2512 | Qwen3 Next 80B A3B Thinking | Leader |
|---|---|---|---|
| LMArena Text: math | Not measured | 1399 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: mathematical work | Not measured | 1390 | Only Qwen3 Next 80B A3B Thinking measured |
| Neither model has a result on the other 11 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared
| Benchmark | Devstral 2 2512 | Qwen3 Next 80B A3B Thinking | Leader |
|---|---|---|---|
| LMArena Text: science | Not measured | 1384 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: medicine and healthcare | Not measured | 1392 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: legal and government | Not measured | 1364 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: business and finance | Not measured | 1360 | Only Qwen3 Next 80B A3B Thinking measured |
| Neither model has a result on the other 14 boards here | |||
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Devstral 2 2512 | Qwen3 Next 80B A3B Thinking | Leader |
|---|---|---|---|
| Neither model has a result on 9 boards here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index17 boards, none shared
| Benchmark | Devstral 2 2512 | Qwen3 Next 80B A3B Thinking | Leader |
|---|---|---|---|
| LMArena Text | Not measured | 1368 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: instruction following | Not measured | 1344 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: creative writing | Not measured | 1314 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: English | Not measured | 1392 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: non-English | Not measured | 1342 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: Chinese | Not measured | 1407 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: German | Not measured | 1356 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: Japanese | Not measured | 1280 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: Korean | Not measured | 1310 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: French | Not measured | 1351 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: Spanish | Not measured | 1358 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: Russian | Not measured | 1337 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: Polish | Not measured | 1345 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: multi-turn | Not measured | 1346 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: longer queries | Not measured | 1353 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: writing and language | Not measured | 1330 | Only Qwen3 Next 80B A3B Thinking measured |
| LMArena Text: entertainment and media | Not measured | 1312 | Only Qwen3 Next 80B A3B Thinking measured |
| Neither model has a result on the other 29 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Devstral 2 2512 | Qwen3 Next 80B A3B Thinking | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Qwen3 Next 80B A3B Thinking costs less
Repository review
50K input + 3K output tokens
Qwen3 Next 80B A3B Thinking costs less
Agent loop
200K input + 10K output tokens
Qwen3 Next 80B A3B Thinking costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | Mistral Devstral 2 2512 | Qwen3 Next 80B A3B Thinking |
|---|---|---|
| Maker | Mistral AI | Qwen |
| Weights | Open weights | Open weights |
| Released | December 9, 2025 | September 11, 2025 |
| Context window | 262K | 262K |
| Input $/Mtok | $0.40 | $0.15 |
| Output $/Mtok | $2.00 | $1.20 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 1 | 0 |
| Cost per solved task | $1.19 | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Devstral 2 2512 better than Qwen3 Next 80B A3B Thinking for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Devstral 2 2512 for work measured by AA Intelligence Index, where it leads.
Which is cheaper, Devstral 2 2512 or Qwen3 Next 80B A3B Thinking?
Devstral 2 2512 costs $0.40 per million input tokens and $2.00 per million output tokens; Qwen3 Next 80B A3B Thinking costs $0.15 and $1.20. Cost per solved task is known for Devstral 2 2512 only.
Which has the bigger context window, Devstral 2 2512 or Qwen3 Next 80B A3B Thinking?
Neither: both take 262K tokens.
How many benchmarks is the Devstral 2 2512 vs Qwen3 Next 80B A3B Thinking comparison based on?
2 benchmarks have a result for both models as of October 22, 2026. Devstral 2 2512's coding index rests on 1 independent benchmark and Qwen3 Next 80B A3B Thinking's on 0. Where only one model has a result, the page says so instead of naming a winner.