Gemini 2.5 Flash vs Mistral Small 4
Complete pricing and performance comparison between Google's Gemini 2.5 Flash and Mistral's Mistral Small 4.
Quick Verdict
Cheaper
Mistral Small 4
2.0x cheaper input, 4.2x cheaper output
Larger Context
Gemini 2.5 Flash
1.0M vs 256K
Pricing Comparison
| Spec | Gemini 2.5 Flash | Mistral Small 4 | Difference |
|---|---|---|---|
| Provider | Mistral | ||
| Input / 1M tokens | $0.3 | $0.15 | Mistral Small 4 is 50% more expensive |
| Output / 1M tokens | $2.5 | $0.6 | Mistral Small 4 is 76% more expensive |
| Context Window | 1.0M | 256K | 4x difference |
| Max Output | 66K | 33K |
Performance Benchmarks
| Metric | Gemini 2.5 Flash | Mistral Small 4 | Winner |
|---|---|---|---|
| Quality Index | 21 | -- | N/A |
| Output Speed | 231 tok/s | -- | N/A |
| Value (Quality/$) | 68.7 | -- | Higher = better value |
Benchmark data from Artificial Analysis. Quality Index is a composite score across reasoning, coding, and knowledge tasks.
Cost at Scale
Estimated cost at different usage levels (3:1 input-to-output token ratio, typical for chat).
| Usage | Gemini 2.5 Flash | Mistral Small 4 | Savings |
|---|---|---|---|
Single request 1K in / 300 out | $0.0010 | $0.0003 | Same |
10 requests 10K in / 3K out | $0.010 | $0.0033 | Mistral Small 4 saves $0.0072 |
100 requests 100K in / 30K out | $0.105 | $0.033 | Mistral Small 4 saves $0.072 |
1,000 requests 1M in / 300K out | $1.05 | $0.330 | Mistral Small 4 saves $0.720 |
10,000 requests 10M in / 3M out | $10.50 | $3.30 | Mistral Small 4 saves $7.20 |
1M requests/mo 1B in / 300M out | $1050.00 | $330.00 | Mistral Small 4 saves $720.00 |
Pros & Cons
Gemini 2.5 Flash Strengths
- +Larger context window (1.0M vs 256K)
- +Higher max output tokens
Mistral Small 4 Strengths
- +Cheaper input tokens
- +Cheaper output tokens
When to Use Each Model
Choose Gemini 2.5 Flash for
- →Long documents, large codebases, or multi-turn conversations
- →Generating long-form content or detailed code
Choose Mistral Small 4 for
- →Budget-conscious projects where cost is the primary factor
Frequently Asked Questions
Which is cheaper, Gemini 2.5 Flash or Mistral Small 4?
For input tokens, Mistral Small 4 is 2.0x cheaper at $0.15/1M tokens. For output tokens, Mistral Small 4 is 4.2x cheaper at $0.6/1M tokens. At typical usage (1M input + 300K output), Gemini 2.5 Flash costs $1.05 vs Mistral Small 4 at $0.330.
What's the context window difference?
Gemini 2.5 Flash supports 1.0M context (1,048,576 tokens), while Mistral Small 4 supports 256K (256,000 tokens). Gemini 2.5 Flash can handle 4x more context in a single request.
Which model has better benchmarks?
When should I choose Gemini 2.5 Flash over Mistral Small 4?
Choose Gemini 2.5 Flash when you need: Larger context window (1.0M vs 256K), Higher max output tokens. Choose Mistral Small 4 when you need: Cheaper input tokens, Cheaper output tokens.
How much would 10,000 API requests cost?
At 1K input + 300 output tokens per request (typical chat): Gemini 2.5 Flash = $10.50, Mistral Small 4 = $3.30. At 10K input + 1K output per request (longer conversations): Gemini 2.5 Flash = $55.00, Mistral Small 4 = $21.00.
Related Comparisons
Gemini 2.5 Flash vs GPT-5.4
$0.3 vs $2.5 per 1M input
GPT-5.4 vs Mistral Small 4
$2.5 vs $0.15 per 1M input
Gemini 2.5 Flash vs GPT-5.4 Mini
$0.3 vs $0.75 per 1M input
GPT-5.4 Mini vs Mistral Small 4
$0.75 vs $0.15 per 1M input
Gemini 2.5 Flash vs GPT-5.4 Nano
$0.3 vs $0.2 per 1M input
GPT-5.4 Nano vs Mistral Small 4
$0.2 vs $0.15 per 1M input