LLM Reference

Gemini 2.5 Flash vs Mixtral 8x7B

Gemini 2.5 Flash (2025) and Mixtral 8x7B (2023) are compact production models from Google DeepMind and MistralAI. Gemini 2.5 Flash ships a 1m-token context window, while Mixtral 8x7B ships a 32k-token context window. On Google-Proof Q&A, Gemini 2.5 Flash leads by 28 pts. On pricing, Mixtral 8x7B costs $0.15/1M input tokens versus $0.30/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Mixtral 8x7B is ~100% cheaper at $0.15/1M; pay for Gemini 2.5 Flash only for coding workflow support.

Decision scorecard

Local evidence first
SignalGemini 2.5 FlashMixtral 8x7B
Best formultimodal apps, tool-calling agents, and long-context analysisprovider-routed production
Decision fitCoding, RAG, and AgentsCoding and Classification
Context window1m32k
Cheapest output$2.50/1M tokens$0.45/1M tokens
Provider routes6 tracked18 tracked
Shared benchmarksGoogle-Proof Q&A leader2 shared

Decision tradeoffs

Choose Gemini 2.5 Flash when...
  • Gemini 2.5 Flash holds a shared-benchmark lead on Google-Proof Q&A, ahead by 28 points.
  • Gemini 2.5 Flash has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Gemini 2.5 Flash uniquely exposes Vision, Multimodal, and JSON / Tool use in local model data.
  • Local decision data tags Gemini 2.5 Flash for Coding, RAG, and Agents.
Choose Mixtral 8x7B when...
  • Mixtral 8x7B has the lower cheapest tracked output price at $0.45/1M tokens.
  • Mixtral 8x7B has broader tracked provider coverage for fallback and route flexibility.
  • Local decision data tags Mixtral 8x7B for Coding and Classification.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Lower estimate Mixtral 8x7B

Gemini 2.5 Flash

$865

Cheapest tracked route/tier: Google AI Studio

Mixtral 8x7B

$233

Cheapest tracked route/tier: Mistral AI Studio

Estimated monthly gap: $633. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Gemini 2.5 Flash -> Mixtral 8x7B
  • Provider overlap exists on GCP Vertex AI and Replicate API; start route-level A/B tests there.
  • Mixtral 8x7B is $2.05/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Multimodal, and JSON / Tool use before moving production traffic.
Mixtral 8x7B -> Gemini 2.5 Flash
  • Provider overlap exists on GCP Vertex AI and Replicate API; start route-level A/B tests there.
  • Gemini 2.5 Flash is $2.05/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Gemini 2.5 Flash adds Vision, Multimodal, and JSON / Tool use in local capability data.

Specs

Specification
Released2025-06-172023-12-11
Context window1m32k
Parameters—8x7B
ArchitectureDecoder OnlyMixture of Experts
LicenseProprietaryApache 2.0OSI-approved
OpennessProprietaryOpen source
WeightsNot releasedUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff2025-012023-12

Pricing and availability

Pricing attributeGemini 2.5 FlashMixtral 8x7B
Input price$0.30/1M tokens$0.15/1M tokens
Output price$2.50/1M tokens$0.45/1M tokens
Providers
Google AI StudioGCP Vertex AIReplicate APIOpenRouterVercel AI GatewayInceptron
Databricks Foundation Model ServingNVIDIA NIMGCP Vertex AIAWS BedrockOctoAI API (Deprecated)Fireworks AI

Capabilities

CapabilityGemini 2.5 FlashMixtral 8x7B
VisionYesNo
MultimodalYesNo
ReasoningNoNo
JSON / Tool useYesNo
Structured outputsYesNo
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkGemini 2.5 FlashMixtral 8x7B
Google-Proof Q&A82.854.8
HumanEval90.180.5

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Last reviewed: 2026-07-11. Data sourced from public model cards and provider documentation.