Mistral Medium 3.5

mistral· 2026-04-29· 262K ctx

open weights quant: unknown

spread (output)

5.1×

$2.00 – $10.26 · 16 providers

16 providers priced

Provider	Input	Output	Cache rd	Blended
Nvidia relay router	free/—	free/—	—	free/—
Kenari relay router	free/—	free/—	—	free/—
Merge Gateway unknown	$0.400	$2.00	—	$0.546^*
Pioneer relay router	$0.400	$2.00	$0.400	$0.578
Requesty relay router	$0.440	$2.20	$0.440	$0.600
Requesty relay router	$0.440	$2.20	$0.440	$0.600
evroc relay router	$1.73	$6.90	—	$2.20^*
Pioneer relay router	$1.50	$7.50	$1.50	$2.17
Vercel AI Gateway unknown	$1.50	$7.50	$0.150	$1.19
Eden AI relay router	$1.50	$7.50	$0.150	$1.19
Eden AI relay router	$1.50	$7.50	$0.150	$1.19
Mistral first party lab	$1.50	$7.50	—	$2.05^*
Mistral first party lab	$1.50	$7.50	—	$2.05^*
NanoGPT relay router	$1.50	$7.50	$0.750	$1.57
OpenRouter unknown	$1.50	$7.50	—	$2.05^*
Cortecs relay router	$1.53	$7.84	$0.154	$1.23
Requesty relay router	$1.65	$8.25	$1.65	$2.25
GreenPToutlier relay router	$2.05	$10.26	—	$2.80^*

Cheapest (output)

Merge Gateway

$2.00 /M

opencode.json

{
  "provider": {
    "merge-gateway": {
      "npm": "merge-gateway-ai-sdk-provider",
      "options": {
        "baseURL": "https://api-gateway.merge.dev/v1/ai-sdk"
      },
      "models": {
        "mistral/mistral-medium-latest": {}
      }
    }
  }
}

Set MERGE_GATEWAY_API_KEY in your environment. Generated — verify against the OpenCode docs.

Output $/M over time

Median line, min–max band. Pre-2026-09 points are catalog-recorded dates from models.dev git history, not provider effective dates.

Data: models.dev (MIT), snapshot 2026-09-20. Prices are vendor-published; verify before purchase. Methodology.