Codestral 2508 vs GLM 5V Turbo
Updated October 21, 2026. 6 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Neither model has a coding score yet, so the two cannot be ranked on coding.
Codestral 2508 has the edge where output tokens cost 4.4x less, and where the context window is larger, 256K against 203K tokens.
- Shared results
- 6
- Codestral 2508 only
- 1
- GLM 5V Turbo only
- 59
- Like-for-like categories
- 1 of 9
Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.
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 GLM 5V Turbo has a AA Intelligence Index result, 23.5.
Directional only
Web design
Design Arena: websites
GLM 5V Turbo
GLM 5V Turbo leads, 1230 against 1013.
Same board, both measured
Long documents
Listed context window
Codestral 2508
Codestral 2508 takes 256K tokens against 203K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Codestral 2508
Codestral 2508 $0.0008, GLM 5V Turbo $0.0032 per turn.
List prices
At a glance
- Coding index
- Codestral 2508 not benchmarked, GLM 5V Turbo not benchmarked.
- Widest category
- Web design, 26.2 points apart on average over 6 shared benchmarks.
- Widest single gap
- Design Arena: game dev: Codestral 2508 968 against GLM 5V Turbo 1219, 31.4 points apart on a 0 to 100 scale.
- Output price
- Codestral 2508 $0.90 against GLM 5V Turbo $4.00 per million output tokens, 4.4x apart.
- Context window
- Codestral 2508 takes 256K tokens, GLM 5V Turbo 203K.
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 | Codestral 2508 | Bars | GLM 5V Turbo | Ties |
|---|---|---|---|---|
| Web design | 0 | 6 | ||
| All shared boards | 0 | 6 |
CodingDirectional onlySix of these boards feed the Vibe Coding Index8 boards, none shared
| Benchmark | Codestral 2508 | GLM 5V Turbo | Leader |
|---|---|---|---|
| LMArena WebDev | Not measured | 1402 | Only GLM 5V Turbo measured |
| Terminal-Bench Hard (Artificial Analysis run) | Not measured | 32.6% | Only GLM 5V Turbo measured |
| ALE-Bench | 137.8 | Not measured | Only Codestral 2508 measured |
| LMArena Text: coding | Not measured | 1466 | Only GLM 5V Turbo measured |
| LMArena Text: software and IT | Not measured | 1460 | Only GLM 5V Turbo measured |
| LMArena WebDev: React | Not measured | 1386 | Only GLM 5V Turbo measured |
| LMArena WebDev: HTML | Not measured | 1356 | Only GLM 5V Turbo measured |
| LMArena WebDev: from an image | Not measured | 1425 | Only GLM 5V Turbo measured |
| Neither model has a result on the other 30 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
| Benchmark | Codestral 2508 | GLM 5V Turbo | Leader |
|---|---|---|---|
| AA Intelligence Index | Not measured | 23.5 | Only GLM 5V Turbo measured |
| Neither model has a result on the other 1 board here | |||
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index9 boards, none shared
| Benchmark | Codestral 2508 | GLM 5V Turbo | Leader |
|---|---|---|---|
| Design Arena: agents building web apps | Not measured | 1124 | Only GLM 5V Turbo measured |
| Design Arena: agents building full-stack apps | Not measured | 1149 | Only GLM 5V Turbo measured |
| Design Arena: agents building mobile apps | Not measured | 1134 | Only GLM 5V Turbo measured |
| Design Arena: agents building Android apps | Not measured | 1267 | Only GLM 5V Turbo measured |
| Design Arena: agents building Godot games | Not measured | 957 | Only GLM 5V Turbo measured |
| Design Arena: agents building games | Not measured | 1102 | Only GLM 5V Turbo measured |
| Design Arena: HTML slides | Not measured | 1120 | Only GLM 5V Turbo measured |
| Design Arena: PowerPoint slides | Not measured | 1152 | Only GLM 5V Turbo measured |
| τ²-Bench Telecom | Not measured | 98.5% | Only GLM 5V Turbo measured |
| Neither model has a result on the other 30 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
| Benchmark | Codestral 2508 | GLM 5V Turbo | Leader |
|---|---|---|---|
| GPQA Diamond (Artificial Analysis run) | Not measured | 80.9% | Only GLM 5V Turbo measured |
| Humanity's Last Exam (Artificial Analysis run) | Not measured | 17.1% | Only GLM 5V Turbo measured |
| LMArena Text: hard prompts | Not measured | 1443 | Only GLM 5V Turbo measured |
| LMArena Text: expert | Not measured | 1453 | Only GLM 5V Turbo measured |
| LMArena Text: hard prompts in English | Not measured | 1456 | Only GLM 5V Turbo measured |
| LMArena Vision: diagrams | Not measured | 1286 | Only GLM 5V Turbo measured |
| LMArena Vision: homework | Not measured | 1273 | Only GLM 5V Turbo measured |
| Neither model has a result on the other 14 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | Codestral 2508 | GLM 5V Turbo | Leader |
|---|---|---|---|
| LMArena Text: math | Not measured | 1442 | Only GLM 5V Turbo measured |
| LMArena Text: mathematical work | Not measured | 1447 | Only GLM 5V Turbo 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 | Codestral 2508 | GLM 5V Turbo | Leader |
|---|---|---|---|
| LMArena Text: science | Not measured | 1448 | Only GLM 5V Turbo measured |
| LMArena Text: medicine and healthcare | Not measured | 1433 | Only GLM 5V Turbo measured |
| LMArena Text: legal and government | Not measured | 1436 | Only GLM 5V Turbo measured |
| LMArena Text: business and finance | Not measured | 1435 | Only GLM 5V Turbo measured |
| Neither model has a result on the other 13 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index06
| Benchmark | Codestral 2508 | GLM 5V Turbo | Leader |
|---|---|---|---|
| Design Arena: websites | 1013 | 1230 | GLM 5V Turbo |
| Design Arena: UI components | 1017 | 1213 | GLM 5V Turbo |
| Design Arena: game dev | 968 | 1219 | GLM 5V Turbo |
| Design Arena: data viz | 1017 | 1202 | GLM 5V Turbo |
| Design Arena: 3D | 1020 | 1209 | GLM 5V Turbo |
| Design Arena: all code categories | 1007 | 1228 | GLM 5V Turbo |
| Design Arena: SVG | Not measured | 1151 | Only GLM 5V Turbo measured |
| Design Arena: ASCII art | Not measured | 1118 | Only GLM 5V Turbo measured |
| Neither model has a result on the other 1 board here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index27 boards, none shared
| Benchmark | Codestral 2508 | GLM 5V Turbo | Leader |
|---|---|---|---|
| IFBench | Not measured | 61.1% | Only GLM 5V Turbo measured |
| Long context reasoning (AA-LCR) | Not measured | 70.3% | Only GLM 5V Turbo measured |
| LMArena Text | Not measured | 1437 | Only GLM 5V Turbo measured |
| LMArena Text: instruction following | Not measured | 1423 | Only GLM 5V Turbo measured |
| LMArena Text: creative writing | Not measured | 1417 | Only GLM 5V Turbo measured |
| LMArena Vision | Not measured | 1264 | Only GLM 5V Turbo measured |
| LMArena Text: English | Not measured | 1454 | Only GLM 5V Turbo measured |
| LMArena Text: non-English | Not measured | 1420 | Only GLM 5V Turbo measured |
| LMArena Text: Chinese | Not measured | 1491 | Only GLM 5V Turbo measured |
| LMArena Text: German | Not measured | 1422 | Only GLM 5V Turbo measured |
| LMArena Text: Korean | Not measured | 1397 | Only GLM 5V Turbo measured |
| LMArena Text: French | Not measured | 1443 | Only GLM 5V Turbo measured |
| LMArena Text: Spanish | Not measured | 1452 | Only GLM 5V Turbo measured |
| LMArena Text: Russian | Not measured | 1432 | Only GLM 5V Turbo measured |
| LMArena Text: Polish | Not measured | 1432 | Only GLM 5V Turbo measured |
| LMArena Text: multi-turn | Not measured | 1431 | Only GLM 5V Turbo measured |
| LMArena Text: longer queries | Not measured | 1438 | Only GLM 5V Turbo measured |
| LMArena Text: writing and language | Not measured | 1420 | Only GLM 5V Turbo measured |
| LMArena Text: entertainment and media | Not measured | 1407 | Only GLM 5V Turbo measured |
| LMArena Vision: English | Not measured | 1274 | Only GLM 5V Turbo measured |
| LMArena Vision: Chinese | Not measured | 1329 | Only GLM 5V Turbo measured |
| LMArena Vision: reading text | Not measured | 1270 | Only GLM 5V Turbo measured |
| LMArena Vision: humor | Not measured | 1268 | Only GLM 5V Turbo measured |
| LMArena Vision: captioning | Not measured | 1264 | Only GLM 5V Turbo measured |
| LMArena Vision: recognizing things | Not measured | 1241 | Only GLM 5V Turbo measured |
| LMArena Vision: creative writing | Not measured | 1252 | Only GLM 5V Turbo measured |
| LMArena Document | Not measured | 1416 | Only GLM 5V Turbo measured |
| Neither model has a result on the other 19 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Codestral 2508 | GLM 5V Turbo | 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
Codestral 2508 costs less
Repository review
50K input + 3K output tokens
Codestral 2508 costs less
Agent loop
200K input + 10K output tokens
Codestral 2508 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 Codestral 2508 | Z.ai GLM 5V Turbo |
|---|---|---|
| Maker | Mistral AI | Z.ai |
| Weights | No public weights listed | No public weights listed |
| Released | August 1, 2025 | April 1, 2026 |
| Context window | 256K | 203K |
| Input $/Mtok | $0.30 | $1.20 |
| Output $/Mtok | $0.90 | $4.00 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 1 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Codestral 2508 better than GLM 5V Turbo for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Codestral 2508 has the edge where output tokens cost 4.4x less, and where the context window is larger, 256K against 203K tokens.
Which is cheaper, Codestral 2508 or GLM 5V Turbo?
Codestral 2508 costs $0.30 per million input tokens and $0.90 per million output tokens; GLM 5V Turbo costs $1.20 and $4.00. Cost per solved task is known for neither of them.
Which has the bigger context window, Codestral 2508 or GLM 5V Turbo?
Codestral 2508, with 256K tokens against 203K.
How many benchmarks is the Codestral 2508 vs GLM 5V Turbo comparison based on?
6 benchmarks have a result for both models as of October 21, 2026. Codestral 2508's coding index rests on 0 independent benchmarks and GLM 5V Turbo's on 1. Where only one model has a result, the page says so instead of naming a winner.