Solar Pro 2 vs Codestral 25.08
Solar Pro 2 comes out ahead, 51 to 47 on our weighted score, and it is the cheaper option too.
- Our pick
UpstageSolar Pro 2
51/100- ECI—
- Price$0.25 / $0.25
- Context66K
Mistral AICodestral 25.08
47/100- ECI—
- Price$0.30 / $0.90
- Context128K
Add a model
Make it a three-way comparison.
Solar Pro 2 is our pick
Solar Pro 2 is the better all-round choice, scoring 51/100 against Codestral 25.08 (47). It leads on price. Codestral 25.08 wins on context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceSolar Pro 2Solar Pro 2 $0.25 · Codestral 25.08 $0.45 per 1M tokens (3:1 blend)
- Longest contextCodestral 25.08Codestral 25.08 128,000 · Solar Pro 2 65,536 tokens
- Widest inputsSame inputsSolar Pro 2: Text · Codestral 25.08: Text
- Self-hostingNo open weightsBoth are available only through APIs
| Measure | Weight | Solar Pro 2 | Codestral 25.08 |
|---|---|---|---|
| Price | 50% | 75 | 64 |
| Inputs & features | 30% | 35 | 35 |
| Context window | 20% | 12 | 24 |
| Overall | 100% | 51/100 | 47/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Solar Pro 2Upstage | Codestral 25.08Mistral AI |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $0.25 (best) | $0.30 |
| Output | $0.25 (best) | $0.90 |
| Cached input | — | $0.03 |
| Blended (3:1) | $0.25 (best) | $0.45 |
| Long-context rate | Same rate | Same rate |
| Price source | Official Upstage API | Official Mistral API |
| Limits | ||
| Context window | 65,536 tokens | 128,000 tokens (best) |
| Max output | 8,192 tokens | 8,192 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | No | No |
| PDFs | No | No |
| Audio | No | No |
| Video | No | No |
| Reasoning | Yesminimal · high | No |
| Tool calling | Yes | Yes |
| Structured output | No | Yes |
| Availability | ||
| Weights | Proprietary | Proprietary |
| API model ID | solar-pro2 | codestral-2508 |
| API providers | 2 | 11 (best) |
| Released | May 20, 2025 | Jul 30, 2025 |
| Knowledge cutoff | Mar 2025 | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Solar Pro 2$3.00
- Codestral 25.08$4.80
Which should you choose?
Which is better: Solar Pro 2 or Codestral 25.08?
Solar Pro 2 is the better all-round choice, scoring 51/100 against Codestral 25.08 (47). It leads on price. Codestral 25.08 wins on context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Solar Pro 2 or Codestral 25.08?
Solar Pro 2 is cheaper at $0.25 input / $0.25 output per million tokens (official Upstage API price). Codestral 25.08 costs $0.30 input / $0.90 output per million tokens (official Mistral API price). At a typical mix of three input tokens to one output token, that is $0.25 per million tokens for Solar Pro 2 versus $0.45 for Codestral 25.08 (1.8× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Solar Pro 2 has not been scored yet and Codestral 25.08 has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Solar Pro 2 and Codestral 25.08 yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
Codestral 25.08 has the largest context window at 128,000 tokens, against 65,536 for Solar Pro 2. Maximum output per response: Solar Pro 2 up to 8,192, Codestral 25.08 up to 8,192 tokens.
Which can read images, PDFs, audio or video?
Solar Pro 2 accepts text; Codestral 25.08 accepts text. They handle the same number of input types.
Are any of these open source?
No. Solar Pro 2 and Codestral 25.08 are proprietary and only available through APIs and apps.
Which is newer?
Codestral 25.08 is the newest, released Jul 30, 2025. Solar Pro 2 came out May 20, 2025. Knowledge cutoff: Solar Pro 2 Mar 2025.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Nov 2, 2026.
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