Llama 3.1 70B Instruct vs Mistral Small 3.1 24B
Llama 3.1 70B Instruct and Mistral Small 3.1 24B cost about the same per output token ($0.56 vs $0.555 per million). Updated October 22, 2026; 27 benchmarks have a result for both.
Llama 3.1 70B Instruct or Mistral Small 3.1 24B: which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Pick Llama 3.1 70B Instruct for a larger context window (131K against 128K tokens) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.
- Shared results
- 27
- Llama 3.1 70B Instruct only
- 20
- Mistral Small 3.1 24B only
- 11
- Like-for-like categories
- 5 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
No call
Only Llama 3.1 70B Instruct has a AA Intelligence Index result, 6.6.
Directional only
Long documents
Listed context window
Llama 3.1 70B Instruct
Llama 3.1 70B Instruct takes 131K tokens against 128K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Mistral Small 3.1 24B
Llama 3.1 70B Instruct $0.0008, Mistral Small 3.1 24B $0.0006 per turn.
List prices
At a glance
- Coding index
- Llama 3.1 70B Instruct not benchmarked, Mistral Small 3.1 24B not benchmarked.
- Widest category
- Coding, 7.6 points apart on average over 2 shared benchmarks.
- Widest single gap
- LMArena Text: Japanese: Llama 3.1 70B Instruct 1132 against Mistral Small 3.1 24B 1208, 12.5 points apart on a 0 to 100 scale.
- Output price
- Llama 3.1 70B Instruct $0.56 against Mistral Small 3.1 24B $0.555 per million output tokens, 1.0x apart.
- Context window
- Llama 3.1 70B Instruct takes 131K tokens, Mistral Small 3.1 24B 128K.
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 | Llama 3.1 70B Instruct | Bars | Mistral Small 3.1 24B | Ties |
|---|---|---|---|---|
| Coding | 0 | 2 | ||
| Reasoning | 0 | 3 | ||
| Math | 0 | 2 | ||
| Knowledge | 2 | 2 | ||
| General | 0 | 16 | ||
| All shared boards | 2 | 25 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
| Benchmark | Llama 3.1 70B Instruct | Mistral Small 3.1 24B | Leader |
|---|---|---|---|
| LiveCodeBench (Artificial Analysis run) | 23.2% | Not measured | Only Llama 3.1 70B Instruct measured |
| Terminal-Bench Hard (Artificial Analysis run) | 3.0% | Not measured | Only Llama 3.1 70B Instruct measured |
| WeirdML | 9.0% | Not measured | Only Llama 3.1 70B Instruct measured |
| LMArena Text: coding | 1260 | 1309 | Mistral Small 3.1 24B |
| LMArena Text: software and IT | 1260 | 1301 | Mistral Small 3.1 24B |
| Neither model has a result on the other 34 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | Llama 3.1 70B Instruct | Mistral Small 3.1 24B | Leader |
|---|---|---|---|
| AA Intelligence Index | 6.6 | Not measured | Only Llama 3.1 70B Instruct measured |
| Epoch Capabilities Index | 125.9 | Not measured | Only Llama 3.1 70B Instruct measured |
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index3 boards, none shared
| Benchmark | Llama 3.1 70B Instruct | Mistral Small 3.1 24B | Leader |
|---|---|---|---|
| τ²-Bench Telecom | 15.2% | Not measured | Only Llama 3.1 70B Instruct measured |
| BALROG | 27.9% | Not measured | Only Llama 3.1 70B Instruct measured |
| TheAgentCompany | 6.9% | Not measured | Only Llama 3.1 70B Instruct measured |
| Neither model has a result on the other 38 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index03
| Benchmark | Llama 3.1 70B Instruct | Mistral Small 3.1 24B | Leader |
|---|---|---|---|
| GPQA Diamond (Artificial Analysis run) | 40.9% | Not measured | Only Llama 3.1 70B Instruct measured |
| Humanity's Last Exam (Artificial Analysis run) | 4.5% | Not measured | Only Llama 3.1 70B Instruct measured |
| GPQA Diamond (Epoch AI run) | 44.2% | Not measured | Only Llama 3.1 70B Instruct measured |
| LMArena Text: hard prompts | 1241 | 1278 | Mistral Small 3.1 24B |
| LMArena Text: expert | 1209 | 1257 | Mistral Small 3.1 24B |
| LMArena Text: hard prompts in English | 1261 | 1290 | Mistral Small 3.1 24B |
| LMArena Vision: diagrams | Not measured | 1119 | Only Mistral Small 3.1 24B measured |
| LMArena Vision: homework | Not measured | 1158 | Only Mistral Small 3.1 24B measured |
| Neither model has a result on the other 14 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index02
| Benchmark | Llama 3.1 70B Instruct | Mistral Small 3.1 24B | Leader |
|---|---|---|---|
| AA Math Index | 4.0 | Not measured | Only Llama 3.1 70B Instruct measured |
| AIME 2025 (Artificial Analysis run) | 4.0% | Not measured | Only Llama 3.1 70B Instruct measured |
| OTIS Mock AIME | 3.6% | Not measured | Only Llama 3.1 70B Instruct measured |
| MATH level 5 | 36.7% | Not measured | Only Llama 3.1 70B Instruct measured |
| LMArena Text: math | 1252 | 1261 | Mistral Small 3.1 24B |
| LMArena Text: mathematical work | 1253 | 1271 | Mistral Small 3.1 24B |
| Neither model has a result on the other 7 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index22
| Benchmark | Llama 3.1 70B Instruct | Mistral Small 3.1 24B | Leader |
|---|---|---|---|
| MMLU Pro (Artificial Analysis run) | 67.6% | Not measured | Only Llama 3.1 70B Instruct measured |
| MMLU | 80.1% | Not measured | Only Llama 3.1 70B Instruct measured |
| LMArena Text: science | 1276 | 1265 | Llama 3.1 70B Instruct |
| LMArena Text: medicine and healthcare | 1257 | 1267 | Mistral Small 3.1 24B |
| LMArena Text: legal and government | 1283 | 1271 | Llama 3.1 70B Instruct |
| LMArena Text: business and finance | 1235 | 1257 | Mistral Small 3.1 24B |
| Neither model has a result on the other 12 boards here | |||
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Llama 3.1 70B Instruct | Mistral Small 3.1 24B | Leader |
|---|---|---|---|
| Neither model has a result on 9 boards here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index016
| Benchmark | Llama 3.1 70B Instruct | Mistral Small 3.1 24B | Leader |
|---|---|---|---|
| IFBench | 34.4% | Not measured | Only Llama 3.1 70B Instruct measured |
| DTBench | 60.0% | Not measured | Only Llama 3.1 70B Instruct measured |
| LMCA | 14.8% | Not measured | Only Llama 3.1 70B Instruct measured |
| LMArena Text | 1261 | 1277 | Mistral Small 3.1 24B |
| LMArena Text: instruction following | 1231 | 1263 | Mistral Small 3.1 24B |
| LMArena Text: creative writing | 1232 | 1252 | Mistral Small 3.1 24B |
| LMArena Vision | Not measured | 1136 | Only Mistral Small 3.1 24B measured |
| LMArena Text: English | 1294 | 1295 | Mistral Small 3.1 24B |
| LMArena Text: non-English | 1219 | 1255 | Mistral Small 3.1 24B |
| LMArena Text: Chinese | 1215 | 1253 | Mistral Small 3.1 24B |
| LMArena Text: German | 1222 | 1266 | Mistral Small 3.1 24B |
| LMArena Text: Japanese | 1132 | 1208 | Mistral Small 3.1 24B |
| LMArena Text: Korean | 1140 | 1207 | Mistral Small 3.1 24B |
| LMArena Text: French | 1262 | 1273 | Mistral Small 3.1 24B |
| LMArena Text: Spanish | 1253 | 1284 | Mistral Small 3.1 24B |
| LMArena Text: Russian | 1234 | 1263 | Mistral Small 3.1 24B |
| LMArena Text: Polish | Not measured | 1242 | Only Mistral Small 3.1 24B measured |
| LMArena Text: multi-turn | 1256 | 1270 | Mistral Small 3.1 24B |
| LMArena Text: longer queries | 1241 | 1299 | Mistral Small 3.1 24B |
| LMArena Text: writing and language | 1236 | 1268 | Mistral Small 3.1 24B |
| LMArena Text: entertainment and media | 1230 | 1250 | Mistral Small 3.1 24B |
| LMArena Vision: English | Not measured | 1157 | Only Mistral Small 3.1 24B measured |
| LMArena Vision: Chinese | Not measured | 1155 | Only Mistral Small 3.1 24B measured |
| LMArena Vision: reading text | Not measured | 1132 | Only Mistral Small 3.1 24B measured |
| LMArena Vision: humor | Not measured | 1142 | Only Mistral Small 3.1 24B measured |
| LMArena Vision: captioning | Not measured | 1153 | Only Mistral Small 3.1 24B measured |
| LMArena Vision: recognizing things | Not measured | 1155 | Only Mistral Small 3.1 24B measured |
| LMArena Vision: creative writing | Not measured | 1123 | Only Mistral Small 3.1 24B measured |
| Neither model has a result on the other 18 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Llama 3.1 70B Instruct | Mistral Small 3.1 24B | 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
Mistral Small 3.1 24B costs less
Repository review
50K input + 3K output tokens
Mistral Small 3.1 24B costs less
Agent loop
200K input + 10K output tokens
Mistral Small 3.1 24B 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 | Meta Llama 3.1 70B Instruct | Mistral Small 3.1 24B |
|---|---|---|
| Maker | Meta Llama | Mistral AI |
| Weights | Open weights | Open weights |
| Released | July 23, 2024 | March 17, 2025 |
| Context window | 131K | 128K |
| Input $/Mtok | $0.56 | $0.351 |
| Output $/Mtok | $0.56 | $0.555 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 0 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Llama 3.1 70B Instruct better than Mistral Small 3.1 24B for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Llama 3.1 70B Instruct for a larger context window (131K against 128K tokens) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.
Which is cheaper, Llama 3.1 70B Instruct or Mistral Small 3.1 24B?
Llama 3.1 70B Instruct costs $0.56 per million input tokens and $0.56 per million output tokens; Mistral Small 3.1 24B costs $0.351 and $0.555. Cost per solved task is known for neither of them.
Which has the bigger context window, Llama 3.1 70B Instruct or Mistral Small 3.1 24B?
Llama 3.1 70B Instruct, with 131K tokens against 128K.
How many benchmarks is the Llama 3.1 70B Instruct vs Mistral Small 3.1 24B comparison based on?
27 benchmarks have a result for both models as of October 22, 2026. Llama 3.1 70B Instruct's coding index rests on 0 independent benchmarks and Mistral Small 3.1 24B's on 0. Where only one model has a result, the page says so instead of naming a winner.