Mercury 2.5 Preview vs Mistral Large 3
Detailed technical comparison between Mercury 2.5 Preview (Inception AI) and Mistral Large 3 (Mistral). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
Mistral Large 3
262,144 tokensTie
Equal CapabilityTie
Equal SpeedMercury 2.5 Preview
$0.04 / MTokMercury 2.5 Preview
Mercury 2.5 Preview is an advanced artificial intelligence model engineered by Inception AI. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Mercury 2.5 Preview represents a key architectural iteration in the Inception AI model family. First released in 2026-08-31, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 260,000 tokens (approximately 347 words), Mercury 2.5 Preview processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Mistral Large 3
Mistral Large 3 is an advanced artificial intelligence model engineered by Mistral. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Mistral Large 3 represents a key architectural iteration in the Mistral model family. First released in 2024-07-24, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 262,144 tokens (approximately 350 words), Mistral Large 3 processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Technical Specifications
🏆 = Superior Spec| Specification | Mercury 2.5 Preview | Mistral Large 3 |
|---|---|---|
| Provider | Inception AI | Mistral |
| Context Window | 260,000 tokens | 262,144 tokens🏆 |
| Agent Suitability | Not yet benchmarked | 91/100 (est.) |
| Time to First Token (TTFT) | No public TTFT data | 250 ms (est.) |
| Deployment Model | managed api | managed api |
| Production Stability | Stable GA (est.) | Stable GA (est.) |
| API Available | Yes | Yes |
| Released Date | 2026-08-31 | 2024-07-24 |
API Pricing Comparison
Input Price per Million Tokens
Mercury 2.5 Preview
$0.04
Mistral Large 3
$0.50
Output Price per Million Tokens
Mercury 2.5 Preview
$0.15
Mistral Large 3
$1.50
💡 Cost Ratio: Mercury 2.5 Preview is 12.5x cheaper per input token than Mistral Large 3.
Want to test both models live?
Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
Mercury 2.5 Preview Quirks & Gotchas
No developer gotchas reported.
Mistral Large 3 Quirks & Gotchas
- ▸Top-tier structured JSON output — best multilingual function calling
- ▸Le Chat offers free consumer tier with same underlying model
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