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Codestral 2508 vs o3

Codestral 2508

Mistral AI

40#267
vs
o3

OpenAI

87#43
Signal-by-Signal Comparison
SignalCodestral 2508Deltao3
Capabilities
50
-50
100
Pricing
99
+7
92
Context window size
86
+2
84
Recency
67
+19
48
Output Capacity
20
-63
83
Benchmarks
0
-88
88
Overall Result
3 wins
of 6
3 wins
It's a tie - both models win 3 signals each

Score History

Score History (24 data points)
Codestral 2508o3
Codestral 2508

40

current score

Leader

o3

right now

o3

86.7

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Codestral 2508

Mistral AI

Best Value
Per request$0.000750
Daily$2.50
Monthly$75.00
Annual$900.00

o3

OpenAI

Per request$0.006000
Daily$20.00
Monthly$600.00
Annual$7200.00

Codestral 2508 saves you $525.00/month

That's $6300.00/year compared to o3 at your current usage level of 100K calls/month.

88% cheaper
Choose Codestral 2508 for cost optimization

Codestral 2508 pricing:
Input:$0.30/M tokens
Output:$0.90/M tokens
o3 pricing:
Input:$2.00/M tokens
Output:$8.00/M tokens
Codestral 2508

Mistral AI

40

Composite Score

Winner
o3

OpenAI

87

Composite Score

Signal-by-Signal Comparison
MetricCodestral 2508o3Winner
Overall Score
40
87
o3
Rank#267#43
o3
Quality Rank#267#43
o3
Adoption Rank#267#43
o3
Parameters------
Context Window256K200K
Codestral 2508
Pricing$0.30/$0.90/M$2.00/$8.00/M--
Signal Scores
Capabilities
50
100
o3
Pricing
99
92
Codestral 2508
Context window size
86
84
Codestral 2508
Recency
67
48
Codestral 2508
Output Capacity
20
83
o3
Benchmarks--
88
o3
Benchmark Head-to-Head(12 benchmarks)
Codestral 2508: 0o3: 0
Codestral 2508
o3
Normalized 0-100%
MMLU
-92.3%
MMLU-Pro
-85.8%
GPQA Diamond
-87.7%
MATH-500
-99%
HumanEval
-97%
SWE-bench Verified
-71.7%
AIME 2024
-96.7%
IFEval
-92%
BBH
-93%
Arena Elo
-1415
LiveBench
-74.8%
HLE
-30.1%
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Codestral 2508Entry Level

Scores 40/100 (rank #267), placing it in the top 8% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
o3Elite Tier

Scores 87/100 (rank #43), placing it in the top 86% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

o3 has a 47-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Codestral 2508 when you need:

  • High-volume production workloads where API costs must be minimized

Choose o3 when you need:

  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Codestral 2508Best Value
Input cost$0.30/M tokens
Output cost$0.90/M tokens
Cost per quality point$0.030
Est. monthly (1M tokens/day)$18.00
o3
Input cost$2.00/M tokens
Output cost$8.00/M tokens
Cost per quality point$0.115
Est. monthly (1M tokens/day)$150.00

Codestral 2508 offers 88% better value per quality point. At 1M tokens/day, you'd spend $18.00/month with Codestral 2508 vs $150.00/month with o3 - a $132.00 monthly difference.

Latency & Speed
Codestral 2508Faster
Speed score0/100
o3
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Codestral 2508

Customer support chatbot

Suitable for user-facing chat with competitive response times. Codestral 2508 also offers lower per-token costs for high-volume support

Codestral 2508

Long document analysis

Larger context window (256K tokens) can process longer documents, contracts, and research papers in a single pass

Codestral 2508

Batch data extraction

Lower output pricing ($0.90/M) reduces costs when processing thousands of records daily

Codestral 2508

Creative writing & content

Higher overall composite score (87/100) correlates with better nuance, coherence, and style in long-form content

o3

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

o3
Which Should You Choose?
Our recommendation:
o3

o3 clearly outperforms Codestral 2508 with a significant 46.7-point lead. For most general use cases, o3 is the stronger choice. However, Codestral 2508 may still excel in niche scenarios.

by Mistral AI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 88% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale
o3
Recommended

by OpenAI

Consider for specialized use cases.

Capability Comparison
CapabilityCodestral 2508o3
Vision (Image Input)differs
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Codestral 2508

Mistral AI

Best Value
$1.62
estimated monthly cost

o3

OpenAI

$13.20
estimated monthly cost

Codestral 2508 saves you $11.58/month

That's 88% cheaper than o3 at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterCodestral 2508o3
Context Window256K200K
Max Output Tokens--100,000
Open SourceNoNo
CreatedAug 1, 2025Apr 16, 2025
Last updated: 53m ago

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Codestral 2508 vs o3 (2026) | LM Market Cap