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Compare / head-to-head

GPT-5vsMistral Large 3

GPT-5 and Mistral Large 3 do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Mistral Large 3 is 5.6x cheaper per token. GPT-5 has the larger context window (400K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0
no overlap yet
Cheaper per token
Mistral Large 3
5.6x cheaper, input + output
Larger context
GPT-5
400K tokens
Provider uptime (30d)
94.9843% · 100%
OpenAI · Mistral AI
GPT-5
OpenAI · released 2025-08-07
textvision
Context
400K
Max out
128K
Input /1M
$1.25
Output /1M
$10
Cached /1M
$0.125
Scores
9 · 8 core
Mistral Large 3
Mistral AI · released 2025-12-02
textvision
Context
256K
Max out
Input /1M
$0.5
Output /1M
$1.5
Cached /1M
$0.05
Scores
1 · 1 core
Quality

Benchmark matrix

BenchmarkGPT-5Mistral Large 3ΔEdge
Reported by both · 0
No public benchmark is reported for both models yet.
Only GPT-5 reports · 8
SWE-bench Verified74.9% not reported
GPQA Diamond86.2% epochnot reported
AIME 202594.6% not reported
FrontierMath Tier 4 v2 (Epoch AI run)22% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)55.4% epochnot reported
OTIS Mock AIME 2024-2025 (Epoch AI run)91.4% epochnot reported
SimpleQA Verified50.1% epochnot reported
SWE-bench Verified (Epoch AI run)73.6% epochnot reported
Only Mistral Large 3 reports · 1
LMArena Elonot reported1427
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is GPT-5 minus Mistral Large 3 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecGPT-5Mistral Large 3Edge
Context window400K tokens256K tokensGPT-5
Max output128K tokens
Input price / 1M$1.25 $0.5 Mistral Large 3
Output price / 1M$10 $1.5 Mistral Large 3
Cached input / 1M$0.125 $0.05 Mistral Large 3
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$11.25$2Mistral Large 3
Modalitiestext · visiontext · visionTie
Released2025-08-072025-12-02
Cited benchmark scores91
Reliability

Provider status

All providers
More matchups

Mistral Large 3 vs …

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Public benchmarks are a starting point. Run GPT-5 and Mistral Large 3 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.